1: (1 8 11)

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

2: (6 18 8)

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

3: (5 20 7)

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

4: (0 19 3)

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