1: (3 9 12)

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

2: (6 14 11)

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

3: (3 9 12)

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

4: (4 10 8)

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