["b7-d7","i15-i12","e7-g7","h12-k9","h7-k7","m15-j12","h3-h10","b14-e14","c3-c16","c19-c18","c15-c16","c19-c18","c15-c16","l18-l15","b17-d17","g19-f18","h10-k13"]