1: (7 10 13)

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

2: (13 14 17)

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

3: (6 11 9)

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

4: (10 17 12)

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