["h6-j8","e18-e15","i3-i13","i18-i15","i12-i13","i16-i15","i12-i13","h16-i15","f3-j7","j15-g12","j7-g10","e15-e12","h9-g10","e13-f12","g9-g10","e13-f12","c3-i3","c15-c12","b6-e9","h10-g11","i3-i15","l18-j16","i13-i14"]