1: (6 9 12)

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

2: (7 14 10)

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

3: (3 13 11)

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

4: (12 17 20)

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