["h6-k9","n15-o14","l6-l8","s14-r14","b7-d7","b15-e12","c3-c16","c19-c18","c15-d16","d19-c18","d16-e17","a17-d17","e19-f18","i18-h18","e7-m7","f10-f12","f3-c6","j14-h14","n6-m7","q14-m10","m7-n8","l11-m10","p8-o9","f14-j14","s6-p9","r18-r5","r2-r3","r6-q5","t3-s4","j14-j5"]