1: (0 1 4)

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

2: (4 8 20)

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

3: (3 12 5)

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

4: (7 13 9)

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