1: (0 2 6)

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

2: (1 7 4)

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

3: (3 10 18)

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

4: (5 19 13)

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