(;GM[1]FF[3]SZ[19]
AW[mb][nb][ob][mc][nd][od][pd][qd][re][qf]AB[oa][pb][nc][oc][pc][qc][rc][rd]PL[W]C[White to play and kill.]
(;W[sd]
(;B[rb];W[qa];B[pa];W[sc];B[sb];W[ra])
(;B[ra];W[sb];B[sc]
(;W[pa])
(;W[rb])))
(;W[rb]TR[rb];B[sb];W[ra];B[sd])
(;W[ra]TR[ra];B[sd];W[sb];B[rb];W[qa];B[pa]))