1: (3 9 15)

(0 12 7)(1 20 11)(2 15 6 4 9)(3)(5 19 17)(8 13 10)(14 18 16)

2: (0 12 7)

(0)(1 20 11)(2 15 6 4 9)(3)(5 19 17)(7)(8 13 10)(12)(14 18 16)

3: (8 13 10)

(0)(1 20 11)(2 15 6 4 9)(3)(5 19 17)(7)(8)(10)(12)(13)(14 18 16)

4: (2 15 6)

(0)(1 20 11)(2 4 9)(3)(5 19 17)(6)(7)(8)(10)(12)(13)(14 18 16)(15)