1: (6 11 16)

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

2: (5 13 7)

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

3: (6 11 16)

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

4: (9 14 12)

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