1: (0 1 7)

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

2: (4 7 20)

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

3: (2 8 5)

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

4: (1 13 7)

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