1: (9 15 18)

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

2: (0 3 18)

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

3: (1 20 7)

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

4: (3 19 15)

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