1: (5 8 15)

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

2: (2 9 7)

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

3: (5 8 15)

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

4: (0 6 4)

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