1: (6 7 9)

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

2: (0 7 18)

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

3: (1 20 17)

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

4: (0 9 5)

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