1: (2 6 13)

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

2: (8 13 18)

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

3: (5 20 7)

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

4: (0 19 3)

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