(;GM[1]FF[4]CA[UTF-8]AP[CGoban:3]ST[2] RU[Japanese]SZ[19]KM[6.50] AW[cp][dq][eq][br][cr][fr][bs][es]AB[bo][co][dp][ep][fp][bq][fq][gr][cs][ds][gs]C[Black's move, your task is to kill the group of whites in the corner] (;B[ar] ;W[bp] (;B[ap] ;W[cq] (;B[aq] ;W[as] (;B[ao] ;W[dr] (;B[fs]C[Good job! RIGHT]) (;B[ds] ;W[cs] ;B[fs]C[Good job! RIGHT])) (;B[dr] ;W[ao]) (;B[fs] ;W[ao])) (;B[fs] ;W[as] (;B[ao] ;W[aq]) (;B[er] ;W[aq]) (;B[aq] ;W[ao])) (;B[dr] ;W[er] (;B[aq] ;W[ds]) (;B[ds] ;W[as]))) (;B[aq] ;W[ap] (;B[ao] ;W[cq] (;B[fs] ;W[er]) (;B[er] ;W[dr])) (;B[fs] ;W[er]) (;B[er] ;W[dr]))) (;B[fs] ;W[ar] (;B[cq] ;W[dr] (;B[er] ;W[ds]) (;B[ds] ;W[er])) (;B[er] ;W[bp] (;B[ap] ;W[cq] (;B[aq] ;W[ao]) (;B[ao] ;W[aq])) (;B[cq] ;W[aq] (;B[cq] ;W[dr]) (;B[dr] ;W[cq])) (;B[dr] ;W[cq]))) (;B[bp] ;W[ar] (;B[fs] ;W[er] ;B[cq] ;W[dr]) (;B[er] ;W[dr])) (;B[cq] ;W[ar] (;B[fs] ;W[dr] (;B[er] ;W[ds]) (;B[ds] ;W[er])) (;B[er] ;W[dr])) (;B[dr] ;W[ar] (;B[fs] ;W[er]) (;B[cq] ;W[er])) (;B[er] ;W[dr] (;B[ar] ;W[fs]) (;B[fs] ;W[ar])))