1: (0 3 7)

(0 5 3 20 17)(1 12 2 21 4)(6 16 14 10 8)(7)(9 13 11)(15 19 18)

2: (1 12 4)

(0 5 3 20 17)(1)(2 21 4)(6 16 14 10 8)(7)(9 13 11)(12)(15 19 18)

3: (6 16 8)

(0 5 3 20 17)(1)(2 21 4)(6)(7)(8 14 10)(9 13 11)(12)(15 19 18)(16)

4: (0 5 3)

(0 20 17)(1)(2 21 4)(3)(5)(6)(7)(8 14 10)(9 13 11)(12)(15 19 18)(16)