1: (0 8 15)

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

2: (6 21 9)

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

3: (2 8 18)

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

4: (4 10 7)

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