1: (0 4 7)

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

2: (3 8 6)

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

3: (2 10 7)

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

4: (1 20 8)

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