["c3-c5","h13-j15","c6-c13","g14-d14","c12-f12","h18-h13","m6-j9","h13-j11","i3-i5","j11-n7","i6-l6","o7-o5","l6-m6","p6-o6","l6-m6","m9-m8","s7-p7","m8-m7","p7-n7","p5-o4","l3-m3","b15-d13","g12-f12","c18-c5","r3-r9","o15-o13","r9-j9","p12-n12","j9-j15","l18-l17","i14-j15"]