1: (0 7 10)

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

2: (6 15 8)

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

3: (5 12 9)

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

4: (1 7 11)

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