1: (6 9 16)

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

2: (2 11 8)

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

3: (6 9 16)

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

4: (0 7 5)

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