1: (3 7 11)

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

2: (5 13 8)

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

3: (3 7 11)

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

4: (10 20 12)

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