1: (9 12 16)

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

2: (1 7 16)

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

3: (11 18 14)

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

4: (6 15 8)

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