1: (0 1 7)

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

2: (3 7 18)

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

3: (5 21 9)

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

4: (2 6 4)

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