["h6-k9","h15-k12","e6-h9","b15-e12","j10-g10","s15-p12","m9-l10","l15-l12","s6-p9","r18-r5","r2-r3","r6-q5","n8-p6","k12-n9","k7-n7","o18-r15","i3-i16","i19-i18","i15-j16"]