1: (0 1 6)

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

2: (4 6 21)

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

3: (3 8 5)

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

4: (1 20 6)

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