1: (5 15 18)

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

2: (14 20 17)

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

3: (3 18 11)

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

4: (10 16 13)

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