1: (0 1 5)

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

2: (5 10 20)

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

3: (3 12 6)

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

4: (9 13 11)

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