1: (0 3 7)

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

2: (1 20 6)

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

3: (2 8 5)

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

4: (0 4 8)

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