["h6-k9","m15-j12","l6-l8","p14-m14","l9-l13","h10-k13","g6-d9","g15-d12","c9-c10","c15-c12","n7-p7","r15-r12","r7-p7","s12-p9","r3-r16","o18-p17","s16-r17","s20-r19","r16-q17","n15-o16","q19-p18","k13-m15","p17-o17","l18-m18","p16-o17"]