1: (3 8 18)

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

2: (2 16 4)

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

3: (3 8 18)

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

4: (15 20 17)

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