1: (0 3 21)

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

2: (1 3 8)

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

3: (2 10 6)

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

4: (7 11 9)

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