1: (0 2 6)

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

2: (1 20 3)

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

3: (4 6 9)

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

4: (2 10 5)

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