1: (0 2 3)

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

2: (3 8 21)

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

3: (1 20 4)

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

4: (3 18 5)

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