1: (7 12 15)

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

2: (11 17 14)

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

3: (9 20 15)

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

4: (6 19 8)

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