1: (6 10 17)

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

2: (1 4 17)

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

3: (2 20 7)

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

4: (3 18 16)

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