1: (4 7 16)

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

2: (6 17 14)

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

3: (3 8 5)

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

4: (2 15 7)

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