["l6-l8","i15-i13","i6-i8","i13-i11","i3-i7","i18-i15","i7-k7","i15-h15","j7-j8","r15-r14","k8-k9","h15-i16","k8-h8","i16-i18","g8-g10","h18-h17","l9-l10","r18-r17","g11-h11","l15-l13","j10-k11","l18-l16","k11-m13","r17-r15","m13-i13","l16-k16","h13-h14","o15-o13","h10-h11","o13-o11","f3-i6","e18-e15","f8-f10","o11-o9","f10-f12","r14-r9","f12-f13","o18-p17","i13-h13","p17-n15","h14-i14"]