1: (6 9 11)

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

2: (2 9 12)

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

3: (5 20 7)

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

4: (1 17 3)

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