1: (0 1 5)

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

2: (3 5 21)

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

3: (2 9 4)

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

4: (1 20 5)

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