1: (0 6 9)

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

2: (6 13 17)

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

3: (3 10 8)

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

4: (2 20 4)

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