1: (0 1 8)

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

2: (6 8 20)

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

3: (5 10 7)

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

4: (1 19 8)

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