1: (5 9 16)

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

2: (0 10 8)

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

3: (5 9 16)

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

4: (3 20 6)

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