1: (0 8 12)

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

2: (7 19 9)

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

3: (0 8 12)

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

4: (2 20 18)

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