1: (2 15 18)

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

2: (0 17 4)

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

3: (2 15 18)

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

4: (1 5 3)

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