["p6-n8","k15-m13","k6-l7","o13-n12","h6-k9","m12-m11","m8-m9","n13-n11","l8-m9","e14-g14","e6-h9","h15-k12","e3-e6","k12-m10","b3-e3","i18-i11","e6-h6","i11-d6","h6-f6","n10-n7","s7-p7","m7-m5","m2-m3","c5-d5"]