1: (2 7 9)

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

2: (6 10 8)

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

3: (5 16 9)

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

4: (1 14 3)

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