1: (2 6 9)

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

2: (0 8 4)

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

3: (2 6 9)

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

4: (1 16 3)

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