1: (0 2 13)

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

2: (1 20 8)

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

3: (5 7 21)

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

4: (4 9 6)

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