1: (6 9 12)

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

2: (7 15 10)

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

3: (6 9 12)

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

4: (4 13 11)

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