12: 9 [[0,[]],[0,[]],[3,[2]],[0,[]]] 13: 9 [[0,[]],[0,[]],[3,[2]],[0,[]]] 14: 9 [[0,[]],[0,[]],[3,[2]],[0,[]]] 15: 9 [[0,[]],[0,[]],[3,[2]],[0,[]]] 16: 9 [[0,[]],[0,[]],[3,[2]],[0,[]]]