1: (1 6 19)

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

2: (5 20 7)

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

3: (1 6 19)

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

4: (0 16 3)

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