1: (1 6 10)

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

2: (5 20 7)

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

3: (1 6 10)

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

4: (0 19 3)

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