1: (0 3 8)

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

2: (8 10 18)

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

3: (2 20 5)

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

4: (7 17 9)

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