1: (0 2 3)

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

2: (3 9 21)

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

3: (1 20 4)

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

4: (2 17 7)

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