1: (2 4 15)

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

2: (3 20 5)

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

3: (0 17 6)

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

4: (1 15 10)

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