1: (0 4 12)

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

2: (3 20 8)

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

3: (2 6 12)

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

4: (5 13 7)

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