1: (0 3 10)

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

2: (2 21 8)

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

3: (4 11 9)

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

4: (1 3 20)

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