1: (0 1 3)

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

2: (3 6 18)

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

3: (2 7 4)

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

4: (6 20 8)

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