1: (0 2 6)

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

2: (1 17 3)

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

3: (4 6 7)

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

4: (2 8 5)

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