1: (7 10 19)

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

2: (9 20 11)

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

3: (6 12 8)

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

4: (0 15 10)

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