1: (1 5 8)

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

2: (4 12 6)

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

3: (7 19 9)

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

4: (3 10 8)

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