["h6-k9","m15-j12","l6-l8","h12-k9","p6-m9","n14-p14","f6-f9","g14-e14","b6-d8","c14-g14","s7-p7","r14-k14","r3-r16","r19-r18","r15-q16","r19-r18","p16-p17","s17-r17","p6-n8","r16-q17","c3-c16","c19-c18","c15-c16","b19-c18","b15-c16","f18-e17","o3-r6","e17-c15","f3-c6","p19-p8","l10-o7","m18-m5"]