1: (3 7 11)

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

2: (5 15 8)

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

3: (3 7 11)

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

4: (10 20 12)

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