1: (1 8 12)

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

2: (6 16 9)

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

3: (11 17 13)

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

4: (5 14 12)

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