Next 7 dan endgame
Which is the better move into this high white position; large monkey jump (L), or one-space jump (I)? Thanks to Andre Engels and BartTM for solution, and to tails for vars. help. ---- See related problems 3762, 4857 and 5781.
Research (Beta) Add / View flags +1
Author WTD
Difficulty 7 dan (history)
AVG solve time 42 sec
User attempts 244 / 2201
Genre endgame
Similar problems
Created 2004-02-02
Source Sensei's Library
Stars 3  (4 votes)
Collections
Your attempts N/A
This feature allows you to explore how other users have tried to solve this problem. The number appearing in an intersection shows how many people went down that particular path. As well as being nice for curiosity's sake, this feature also shows problem creators where they might need to add more explanations of why certain moves don't work.
User Attempts
Name User Rating When Result Path Time
dartagaluc 1 dan 2025-02-07 00:19:06 Got It E18 D18 D19 F18 G18 E17 F19 E19 C9 C19 C11 B18 B17 B19 A18 N/A
— 13 kyu 2023-06-25 10:53:43 Got It E18 D18 D19 F18 F19 G19 G18 E19 C11 C19 C9 B18 B17 B19 A18 N/A
— 13 kyu 2023-06-24 16:11:44 Failed E18 D18 D19 F18 F19 G19 E17 E19 J11 N/A
— 5 kyu 2023-06-14 00:16:57 Failed F19 E18 E19 G18 F18 D18 D19 F17 G19 H19 C19 H18 N/A
— 14 kyu 2023-01-17 13:19:42 Failed F19 E18 E19 G18 G19 D19 D18 H19 C19 F18 D19 H18 N/A
ranka 5 kyu 2021-01-18 14:33:21 Failed F19 E18 E19 G18 G19 D19 D18 H19 C19 F18 D19 H18 N/A
:go 1 dan 2020-11-17 21:16:49 Failed E18 D18 D19 F18 G18 E17 F19 E19 C11 C19 B19 N/A
— 3 dan 2020-05-29 01:37:29 Failed F19 E18 E19 G18 D18 F18 G19 H19 D19 H18 N/A
— 6 dan 2018-05-27 07:49:27 Failed F19 E18 E19 G18 F18 D18 D19 F17 G19 H19 C19 H18 N/A
— 10 kyu 2017-05-22 16:06:42 Failed E18 D18 D19 F18 F19 G19 G18 E19 J11 C19 L11 B18 B17 B19 A18 N/A
— 6 dan 2017-05-03 12:21:52 Failed F19 E18 E19 G18 G19 D19 D18 H19 C19 F18 D19 H18 N/A
— 6 dan 2016-11-13 19:12:17 Failed F19 E18 E19 G18 G19 D19 D18 H19 C19 F18 D19 H18 N/A
— 1 kyu 2015-12-15 07:36:02 Failed E18 D18 D19 F18 G18 E17 F19 E19 L11 C19 J11 B18 B17 B19 A18 N/A
briv 3 dan 2015-03-15 20:56:29 Failed F19 E18 E19 G18 G19 D19 D18 H19 C19 F18 D19 H18 N/A
WTD 5 kyu 2015-03-08 17:34:43 Failed F19 E18 E19 G18 G19 D19 D18 H19 C19 F18 D19 H18 N/A
lexasem 17 kyu 2015-02-10 15:37:40 Failed E18 D18 D19 F18 F19 G19 E19 N/A
visii 21 kyu 2015-01-09 22:41:07 Failed F19 E18 E19 G18 F18 D18 D19 F17 G19 H19 C19 H18 N/A
visii 21 kyu 2015-01-09 21:03:25 Failed E18 D18 D19 F18 F19 G19 E17 E19 F19 N/A
visii 21 kyu 2015-01-09 20:07:51 Failed F19 E18 E19 G18 D18 F18 G19 H19 D19 H18 N/A
— 8 dan 2014-10-30 11:27:04 Got It E18 D18 D19 F18 F19 G19 G18 E19 C9 C19 C11 B18 B17 B19 N/A
— 6 dan 2014-07-16 17:45:16 Failed E18 D18 D19 F18 G18 E17 F19 E19 C11 C19 B19 N/A
pento 10 kyu 2014-03-09 21:51:28 Failed E18 D18 D19 F18 F19 G19 G18 E19 C11 C19 C9 B18 F17 N/A
— 20 kyu 2014-03-05 18:29:15 Failed F19 E18 E19 G18 G19 D19 D18 H19 F18 N/A
wukong1 3 dan 2013-08-18 16:21:53 Got It E18 D18 D19 F18 F19 G19 G18 E19 C11 C19 C9 B18 B17 B19 A18 N/A
wukong1 3 dan 2013-08-18 16:14:08 Got It E18 D18 D19 F18 F19 G19 G18 E19 C11 C19 C9 B18 B17 B19 A18 N/A
bobbysue 19 kyu 2013-04-07 11:52:33 Failed E18 D18 D19 F18 G18 E17 F19 E19 C9 C19 B19 N/A
— 13 kyu 2013-02-23 16:19:03 Failed F19 E18 E19 G18 G19 D19 D18 H19 C19 F18 D19 H18 N/A
— 18 kyu 2013-01-19 03:38:42 Failed E18 D18 D19 F18 F19 G19 G18 E19 L11 C19 J11 B18 B17 B19 A18 N/A
— 6 dan 2012-12-03 14:35:04 Failed F19 E18 E19 G18 G19 D19 D18 H19 C19 F18 D19 H18 N/A
sputnikc 5 kyu 2012-10-28 16:25:47 Failed E18 D18 D19 F18 E17 F19 E19 F17 E16 F16 N/A
— 12 kyu 2012-10-10 07:22:00 Got It E18 D18 D19 F18 G18 E17 F19 E19 C11 C19 C9 B18 B17 B19 N/A
Field Mouse 5 dan 2012-08-08 09:55:59 Got It E18 D18 D19 F18 F19 G19 G18 E19 C11 C19 C9 B18 B17 B19 N/A
—´000 7 dan 2012-01-04 20:44:59 Got It E18 D18 D19 F18 F19 G19 G18 E19 C9 C19 C11 B18 B17 B19 N/A
—´000 7 dan 2012-01-04 20:44:34 Failed F19 E18 E19 G18 G19 D19 D18 H19 C19 F18 D19 H18 N/A
krt 9 dan 2012-01-03 03:32:55 Got It E18 D18 D19 F18 G18 E17 F19 E19 C11 C19 C9 B18 B17 B19 N/A
Minirock 29 kyu 2011-11-25 01:25:59 Failed E18 D18 D19 F18 F19 G19 G18 E19 J11 C19 L11 B18 B17 B19 N/A
WTD 5 kyu 2011-11-09 16:53:23 Failed F19 E18 E19 G18 G19 D19 D18 H19 C19 F18 D19 H18 N/A
WTD 5 kyu 2011-11-04 04:02:14 Failed F19 E18 E19 G18 G19 D19 D18 H19 C19 F18 D19 H18 N/A
— 6 kyu 2011-09-20 13:10:22 Failed F19 E18 E19 G18 D18 F18 G19 H19 D19 H18 N/A
Spica 29 kyu 2011-09-04 12:05:01 Failed E18 D18 D19 F18 F19 G19 G18 E19 J11 C19 L11 B18 B17 B19 N/A
— 8 dan 2011-05-12 19:00:22 Got It E18 D18 D19 F18 G18 E17 F19 E19 C11 C19 C9 B18 B17 B19 N/A
WTD 5 kyu 2011-03-05 17:11:21 Failed E18 D18 D19 F18 F19 G19 G18 E19 C9 C19 C11 B18 B17 B19 J18 N/A
— 11 kyu 2010-11-19 07:15:16 Failed F19 E18 E19 G18 D19 G19 F18 F17 D18 E17 N/A
alexandrk 1 dan 2010-09-05 06:28:04 Got It E18 D18 D19 F18 F19 G19 G18 E19 C11 C19 C9 B18 B17 B19 N/A
— 6 dan 2010-08-05 16:05:50 Got It E18 D18 D19 F18 F19 G19 G18 E19 C11 C19 C9 B18 B17 B19 N/A
— 6 dan 2010-06-30 18:56:32 Failed F19 E18 E19 G18 G19 D19 D18 H19 C19 F18 D19 H18 N/A
alexandrk 1 dan 2010-01-12 15:34:55 Got It E18 D18 D19 F18 G18 E17 F19 E19 C11 C19 C9 B18 B17 B19 N/A
— 14 kyu 2009-11-30 11:14:33 Failed F19 E18 E19 G18 G19 D19 D18 H19 C19 F18 D19 H18 N/A
SolarBear 16 kyu 2009-06-29 18:55:10 Failed F19 E18 E19 G18 F18 D18 D19 F17 G19 H19 C19 H18 N/A
— 15 kyu 2009-05-30 08:32:05 Got It E18 D18 D19 F18 F19 G19 G18 E19 C9 C19 C11 B18 B17 B19 N/A
— 15 kyu 2009-05-30 08:16:13 Failed E18 D18 D19 F18 F19 G19 C19 N/A
— 15 kyu 2009-05-30 08:15:52 Failed F19 E18 E19 G18 G19 D19 D18 H19 C19 F18 D19 H18 N/A
— 29 kyu 2009-03-31 07:56:26 Got It E18 D18 D19 F18 F19 G19 G18 E19 C11 C19 C9 B18 B17 B19 N/A
om3 29 kyu 2008-08-13 12:59:12 Failed E18 D18 D19 F18 G18 E17 F19 E19 J11 C19 L11 B18 B17 B19 K10 N/A
ketran0 29 kyu 2007-04-07 19:26:56 Got It E18 D18 D19 F18 F19 G19 G18 E19 C9 C19 C11 B18 B17 B19 N/A
Dudzik 4 kyu 2006-12-16 13:49:56 Got It E18 D18 D19 F18 F19 G19 G18 E19 C11 C19 C9 B18 B17 B19 A18 A19 N/A
Bleedo 2 kyu 2006-11-11 12:40:56 Got It E18 D18 D19 F18 F19 G19 G18 E19 C11 C19 C9 B18 B17 B19 A18 A19 N/A
Bleedo 2 kyu 2006-11-11 12:39:35 Failed E18 D18 D19 F18 F19 G19 G18 E19 B19 A19 N/A
Bleedo 2 kyu 2006-11-11 12:38:31 Failed F19 E18 E19 G18 G19 D19 D18 H19 C19 F18 D19 H18 A19 N/A
— 5 dan 2006-02-12 16:29:30 Failed F19 E18 E19 G18 G19 D19 D18 H19 C19 F18 D19 H18 N/A
BostonGo 15 kyu 2006-02-04 16:49:07 Failed E18 D18 D19 F18 E17 F19 E19 F17 E16 F16 C19 N/A
— 1 dan 2005-11-30 06:55:44 Got It E18 D18 D19 F18 G18 E17 F19 E19 C9 C19 C11 B18 B17 B19 A18 N/A
— 1 dan 2005-11-30 06:55:15 Failed E18 D18 D19 F18 G18 E17 F19 E19 C9 C19 B19 N/A
— 1 dan 2005-11-30 06:46:50 Failed E18 D18 D19 F18 G18 E17 F19 E19 L11 C19 J11 B18 B17 B19 A18 N/A
GleepWurp 29 kyu 2005-11-21 09:51:06 Got It E18 D18 D19 F18 G18 E17 F19 E19 C11 C19 C9 B18 B17 B19 A18 N/A
GleepWurp 29 kyu 2005-11-21 09:50:01 Failed E18 D18 D19 F18 G18 E17 F19 E19 F17 N/A
GleepWurp 29 kyu 2005-11-21 09:49:32 Failed E18 D18 D19 F18 G18 E17 F19 E19 F17 N/A
GleepWurp 29 kyu 2005-11-21 09:44:04 Failed F19 E18 E19 G18 G19 D19 D18 H19 C19 F18 D19 H18 N/A
ciith 20 kyu 2005-11-03 12:00:29 Failed E18 D18 D19 F18 F19 G19 E19 N/A
Field Mouse 5 dan 2005-11-02 09:31:24 Got It E18 D18 D19 F18 G18 E17 F19 E19 C11 C19 C9 B18 B17 B19 A18 N/A
Field Mouse 5 dan 2005-11-02 09:31:07 Failed E18 D18 D19 F18 G18 E17 F19 E19 J11 C19 L11 B18 B17 B19 A18 N/A
miicthor 29 kyu 2005-10-12 06:51:14 Failed F19 E18 E19 G18 F17 N/A
MrMoto 5 kyu 2005-08-12 00:39:48 Got It E18 D18 D19 F18 F19 G19 G18 E19 C11 C19 C9 B18 B17 B19 A18 N/A
MrMoto 5 kyu 2005-08-12 00:36:18 Failed E18 D18 D19 F18 F19 G19 G18 E19 L11 C19 J11 B18 B17 B19 A18 N/A
— 1 dan 2005-07-20 17:56:24 Failed E18 D18 D19 F18 F19 G19 G18 E19 C11 C19 C9 B18 B17 B19 A18 N/A
— 2 kyu 2004-12-01 07:30:07 Failed F19 E18 E19 G18 G19 D19 D18 H19 C19 F18 D19 H18 N/A
— 29 kyu 2004-11-15 08:37:20 Got It E18 D18 D19 F18 G18 E17 F19 E19 C9 C19 C11 B18 B17 B19 A18 N/A
Athanatos 5 dan 2004-09-26 06:10:20 Failed E18 D18 D19 F18 F19 G19 E19 N/A
switch 13 kyu 2004-06-18 02:13:23 Failed F19 E18 E19 G18 F18 D18 D19 F17 C19 N/A
marwin 26 kyu 2004-04-18 10:52:34 Failed E18 D18 D19 F18 F19 G19 E19 N/A
Athanatos 5 dan 2004-04-03 06:22:47 Failed F19 E18 E19 G18 F18 D18 D19 F17 G19 H19 C19 H18 N/A
BartTM 2 kyu 2004-03-08 03:51:37 Got It E18 D18 D19 F18 G18 E17 F19 E19 C11 C19 C9 B18 B17 B19 A18 N/A
WTD 5 kyu 2004-03-07 16:44:48 Failed E18 D18 D19 F18 F19 G19 G18 E19 C11 C9 F19 C19 F17 E19 J11 F18 L11 B18 F19 D19 H19 H17 B17 B19 A18 N/A
WTD 5 kyu 2004-03-07 06:30:28 Failed E18 D18 D19 F18 F19 G19 G18 E19 C11 C9 F19 C19 F17 N/A
WTD 5 kyu 2004-03-06 06:12:53 Got It E18 D18 D19 F18 G18 E17 F19 E19 C9 C19 C11 B18 B17 B19 A18 N/A
WTD 5 kyu 2004-03-06 06:00:43 Got It E18 D18 D19 F18 G18 E17 F19 E19 C11 C19 C9 B18 B17 B19 A18 N/A
— 2 kyu 2004-03-03 11:42:00 Failed F19 E18 E19 G18 G19 D19 D18 H19 C19 F18 D19 H18 N/A
BartTM 2 kyu 2004-03-02 02:47:28 Got It E18 D18 D19 F18 G18 E17 F19 E19 C11 C19 C9 B18 B17 B19 A18 N/A
BartTM 2 kyu 2004-03-01 07:08:08 Got It E18 D18 D19 F18 G18 E17 F19 E19 C11 C19 C9 B18 B17 B19 A18 N/A
BartTM 2 kyu 2004-02-29 23:42:36 Failed E18 D18 D19 F18 F19 G18 E17 F17 G19 N/A
BartTM 2 kyu 2004-02-28 12:02:27 Failed E18 D18 D19 F18 F19 G18 E17 F17 G19 N/A
BartTM 2 kyu 2004-02-28 11:57:32 Failed E18 D18 D19 F18 F19 G18 G19 H19 E17 E19 F19 F17 E16 F16 E19 G19 C19 N/A
— 2 kyu 2004-02-28 07:51:11 Got It E18 D18 D19 F18 G18 E17 F19 E19 C11 C19 C9 B18 B17 B19 A18 N/A
— 2 kyu 2004-02-28 06:46:55 Failed F19 E18 E19 G18 G19 D19 D18 H19 C19 F18 D19 H18 N/A
— 2 kyu 2004-02-28 01:41:07 Failed F19 E18 E19 G18 G19 D19 D18 H19 C19 F18 D19 H18 N/A
BartTM 2 kyu 2004-02-20 02:41:58 Got It E18 D18 D19 F18 G18 E17 F19 E19 C9 C19 C11 B18 B17 B19 A18 N/A
— 1 kyu 2004-02-17 07:54:27 Failed E18 D18 D19 F18 G18 E17 F19 E19 C11 C19 C9 B18 B17 A18 N/A
— 1 kyu 2004-02-17 07:53:56 Got It E18 D18 D19 F18 G18 E17 F19 E19 C9 C19 C11 B18 B17 B19 A18 N/A
— 1 kyu 2004-02-17 07:53:33 Failed E18 D18 D19 F18 F19 G18 G19 H19 E19 E17 C19 H18 N/A
— 12 kyu 2004-02-12 05:35:40 Failed E18 D18 D19 F18 F19 G18 G19 H19 E19 E17 C19 H18 N/A
BartTM 2 kyu 2004-02-12 03:31:48 Failed F19 E18 E19 G18 G19 D19 D18 H19 C19 F18 D19 H18 N/A
BartTM 2 kyu 2004-02-11 04:05:02 Failed E18 D18 D19 F18 F19 G18 G19 H19 E17 E19 F19 F17 E16 F16 E19 G19 C19 N/A
Hans 29 kyu 2004-02-04 00:57:33 Got It E18 D18 D19 F18 G18 E17 F19 E19 C11 C19 C9 B18 B17 B19 A18 N/A
— 28 kyu 2004-02-03 15:27:18 Failed E18 D18 D19 F18 C11 N/A
WTD 5 kyu 2004-02-10 17:25:36 Failed E18 D18 D19 F18 G18 E17 F19 E19 C11 C19 C9 B18 B17 B19 A18 N/A
— 12 kyu 2004-02-03 12:38:23 Failed E18 D18 D19 F18 F19 G18 G19 H19 E19 E17 C19 H18 N/A
— 12 kyu 2004-02-03 07:48:16 Failed E18 D18 D19 F18 F19 G18 G19 H19 E17 E19 F19 F17 E16 F16 E19 G19 C11 N/A
ciith 20 kyu 2004-02-03 05:43:28 Failed F19 G18 E18 N/A
Daniel 5 kyu 2004-02-03 05:21:54 Failed F19 G18 G19 H19 F18 N/A
— 1 kyu 2004-02-11 00:52:57 Failed E18 D18 D19 F18 G18 E17 F19 E19 C11 C19 C9 B18 B17 B19 A18 N/A
— 5 kyu 2004-02-03 03:53:52 Got It E18 D18 D19 F18 G18 E17 F19 E19 C9 C19 C11 B18 B17 B19 A18 N/A
— 5 kyu 2004-02-03 03:50:57 Got It E18 D18 D19 F18 G18 E17 F19 E19 C9 C19 C11 B18 B17 B19 A18 N/A
— 1 kyu 2004-02-03 03:40:42 Failed E18 D18 D19 F18 F19 G18 G19 H19 E19 E17 C19 H18 N/A
— 1 kyu 2004-02-03 03:40:22 Failed E18 D18 D19 F18 E17 F19 E19 F17 E16 F16 C19 N/A
BartTM 2 kyu 2004-02-03 03:05:02 Failed E18 D18 D19 F18 F19 G18 G19 H19 E17 E19 F19 F17 E16 F16 E19 G19 C19 N/A
— 12 kyu 2004-02-03 01:46:25 Failed F19 G18 G19 H19 H18 N/A
kochi 7 kyu 2004-02-02 21:43:05 Failed E18 D18 D19 F18 E17 F19 E19 F17 C9 N/A
adum 3 kyu 2004-02-02 19:18:09 Failed F19 G18 G19 H19 E18 F18 E19 D18 D19 E17 C19 H18 N/A
WTD 5 kyu 2004-02-02 16:37:05 Got It E18 D18 D19 F18 G18 E17 F19 E19 C11 C19 C9 B18 B17 B19 A18 N/A
Count Result Path
21 Failed F19 E18 E19 G18 G19 D19 D18 H19 C19 F18 D19 H18
9 Got It E18 D18 D19 F18 G18 E17 F19 E19 C11 C19 C9 B18 B17 B19 A18
8 Got It E18 D18 D19 F18 G18 E17 F19 E19 C9 C19 C11 B18 B17 B19 A18
5 Failed F19 E18 E19 G18 F18 D18 D19 F17 G19 H19 C19 H18
4 Got It E18 D18 D19 F18 F19 G19 G18 E19 C9 C19 C11 B18 B17 B19
4 Failed E18 D18 D19 F18 F19 G19 E19
4 Got It E18 D18 D19 F18 G18 E17 F19 E19 C11 C19 C9 B18 B17 B19
4 Got It E18 D18 D19 F18 F19 G19 G18 E19 C11 C19 C9 B18 B17 B19 A18
4 Failed E18 D18 D19 F18 F19 G18 G19 H19 E19 E17 C19 H18
4 Got It E18 D18 D19 F18 F19 G19 G18 E19 C11 C19 C9 B18 B17 B19
3 Failed E18 D18 D19 F18 F19 G18 G19 H19 E17 E19 F19 F17 E16 F16 E19 G19 C19
3 Failed F19 E18 E19 G18 D18 F18 G19 H19 D19 H18
2 Failed E18 D18 D19 F18 G18 E17 F19 E19 L11 C19 J11 B18 B17 B19 A18
2 Failed E18 D18 D19 F18 G18 E17 F19 E19 F17
2 Failed E18 D18 D19 F18 G18 E17 F19 E19 C9 C19 B19
2 Failed E18 D18 D19 F18 F19 G19 G18 E19 L11 C19 J11 B18 B17 B19 A18
2 Got It E18 D18 D19 F18 F19 G19 G18 E19 C11 C19 C9 B18 B17 B19 A18 A19
2 Failed E18 D18 D19 F18 F19 G19 G18 E19 J11 C19 L11 B18 B17 B19
2 Failed E18 D18 D19 F18 F19 G18 E17 F17 G19
2 Failed E18 D18 D19 F18 G18 E17 F19 E19 C11 C19 B19
2 Failed E18 D18 D19 F18 G18 E17 F19 E19 C11 C19 C9 B18 B17 B19 A18
2 Failed E18 D18 D19 F18 E17 F19 E19 F17 E16 F16 C19
1 Failed E18 D18 D19 F18 F19 G19 G18 E19 C9 C19 C11 B18 B17 B19 J18
1 Failed F19 E18 E19 G18 F17
1 Failed F19 E18 E19 G18 D19 G19 F18 F17 D18 E17
1 Failed E18 D18 D19 F18 E17 F19 E19 F17 E16 F16
1 Failed F19 E18 E19 G18 G19 D19 D18 H19 F18
1 Failed E18 D18 D19 F18 F19 G19 G18 E19 C11 C19 C9 B18 F17
1 Failed E18 D18 D19 F18 F19 G19 C19
1 Failed E18 D18 D19 F18 F19 G19 E17 E19 F19
1 Failed E18 D18 D19 F18 G18 E17 F19 E19 J11 C19 L11 B18 B17 B19 K10
1 Failed E18 D18 D19 F18 F19 G19 G18 E19 J11 C19 L11 B18 B17 B19 A18
1 Failed E18 D18 D19 F18 F19 G19 E17 E19 J11
1 Failed E18 D18 D19 F18 F19 G19 G18 E19 B19 A19
1 Failed F19 E18 E19 G18 G19 D19 D18 H19 C19 F18 D19 H18 A19
1 Failed E18 D18 D19 F18 G18 E17 F19 E19 J11 C19 L11 B18 B17 B19 A18
1 Failed E18 D18 D19 F18 F19 G19 G18 E19 C11 C19 C9 B18 B17 B19 A18
1 Failed F19 E18 E19 G18 F18 D18 D19 F17 C19
1 Failed E18 D18 D19 F18 F19 G19 G18 E19 C11 C9 F19 C19 F17 E19 J11 F18 L11 B18 F19 D19 H19 H17 B17 B19 A18
1 Failed E18 D18 D19 F18 F19 G19 G18 E19 C11 C9 F19 C19 F17
1 Failed E18 D18 D19 F18 G18 E17 F19 E19 C11 C19 C9 B18 B17 A18
1 Failed E18 D18 D19 F18 C11
1 Failed E18 D18 D19 F18 F19 G18 G19 H19 E17 E19 F19 F17 E16 F16 E19 G19 C11
1 Failed F19 G18 E18
1 Failed F19 G18 G19 H19 F18
1 Failed F19 G18 G19 H19 H18
1 Failed E18 D18 D19 F18 E17 F19 E19 F17 C9
1 Failed F19 G18 G19 H19 E18 F18 E19 D18 D19 E17 C19 H18