1: 12 [[0,[]],[0,[]],[7,[2]],[0,[]]] 2: 12 [[0,[]],[0,[]],[7,[2]],[0,[]]] 3: 12 [[0,[]],[0,[]],[7,[2]],[0,[]]] 4: 12 [[0,[]],[0,[]],[7,[2]],[0,[]]] 10: 12 [[0,[]],[0,[]],[7,[2]],[0,[]]]