1: (1 10 19)

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

2: (7 20 18)

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

3: (1 10 19)

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

4: (6 11 8)

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