1: (1 6 15)

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

2: (0 7 5)

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

3: (6 20 11)

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

4: (9 16 12)

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