1: (4 12 18)

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

2: (3 16 5)

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

3: (4 12 18)

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

4: (1 17 15)

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