["f6-f9","g18-g15","e3-e6","h15-o8","b3-e3","o8-o5","o2-o3","o6-m6","l3-l4","l7-l6","l3-m4","i18-i8","e6-h6","i9-n9","h6-i6","e15-h15","n4-n7","o10-n9","n6-n7","d18-g15","i6-i9","f15-f11","i9-g9","f12-f11","g8-f9","f12-f11","f8-f9","r18-r16","n7-q10","r15-r12","o11-q11","r14-o11","s12-q10","n11-o10","s6-q8","n9-o9","r3-r16","o18-p17","s16-r15","n15-p13","r16-q15","p18-p16","r14-q14","r11-p13","l4-l13","h15-k15","j3-j13","l18-o18","i13-i18","l15-k16","h18-i18","k15-k16","i19-j18","o18-l18","g3-j6","p15-m12","j6-g9","b15-e12","g9-g10","a18-d18","g10-d13","e19-e16","d13-d14","o13-n13","d14-d17","l10-l11","d17-d18","l18-o18","d18-g18","q8-n11","g18-i18","m12-i16"]