1: (4 8 11)

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

2: (7 15 9)

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

3: (2 11 6)

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

4: (1 5 3)

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