["d2-e2","s15-p12","d4-e4","r18-r8","r3-r6","r9-r8","r5-q6","q9-r8","p6-r6","o18-r15","o3-q5","b15-e12","r6-r13","r16-r15","r12-r13","s16-s15","r12-p14","l18-n16","q5-n8","c18-c8","d3-d6","c9-d8","d5-e6","c8-e8","d5-e6","f9-f8","j7-g7","f18-c15","m8-m11","p11-n11","k9-l10","h15-k12","i3-i16","i19-i18","i15-i16","i19-i18","i15-i16","n16-p14","i18-l15","p14-p17","f3-m10","c15-f18","m10-r15"]