1: (2 7 16)

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

2: (6 17 8)

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

3: (2 7 16)

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

4: (1 10 3)

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