1: (0 6 8)

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

2: (5 12 7)

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

3: (1 20 11)

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

4: (2 6 9)

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