1: (1 6 15)

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

2: (0 9 2)

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

3: (1 6 15)

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

4: (5 13 7)

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