1: (0 1 5)

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

2: (1 15 18)

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

3: (14 19 17)

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

4: (5 20 18)

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