1: (0 1 3)

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

2: (3 8 15)

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

3: (2 11 5)

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

4: (10 16 13)

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