1: (7 12 16)

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

2: (2 13 11)

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

3: (1 8 5)

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

4: (7 16 9)

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