1: (0 1 2)

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

2: (2 7 12)

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

3: (6 16 8)

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

4: (1 12 5)

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