["h6-k9","g14-e14","b6-e9","n14-p14","n6-q9","c14-g14","f11-f9","l15-l12","l9-l10","h15-k12","l6-l9","k12-k11","e7-h10","k10-j10","c3-c16","c19-c18","c15-d16","f19-f18","d16-c17","f18-d18","a17-b18","d17-e18","b19-d19","g19-f19","f3-c6","j9-j12","c6-i12","l14-k13","h12-i12","i18-i14","j11-j12","j15-j14","i11-i12","j15-i14","i3-i12","g19-g14","i12-m16"]