["h6-k9","p15-m12","k9-l10","k15-n12","o6-o9","g15-d12","o9-o10","s15-p12","k6-n9","o12-o11","s6-p9","r18-r5","r2-r3","r6-q5","s2-r3","p6-q5","o11-o8","s5-q3","p4-o3","c15-c13","p7-m7","c12-c8","g7-d7","j15-g12","i3-i16","e10-h13","g14-h15","f18-g17","j15-j16"]