1: (6 9 12)

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

2: (1 10 8)

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

3: (6 9 12)

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

4: (4 11 7)

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