1: (0 1 7)

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

2: (5 7 20)

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

3: (2 8 6)

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

4: (1 18 7)

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