1: (1 12 18)

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

2: (0 13 2)

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

3: (1 12 18)

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

4: (5 20 17)

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