["r3-r6","s14-q14","r6-r15","r18-r17","o8-o5","r17-r16","o3-o13","k14-n14","i3-i6","o15-o13","i6-i12","i15-i14","i11-l11","h12-k15","l11-l15","a17-b18","l15-l16"]