1: (7 15 18)

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

2: (11 20 17)

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

3: (10 15 19)

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

4: (1 16 14)

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