1: (0 1 9)

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

2: (1 15 18)

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

3: (14 19 17)

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

4: (9 20 18)

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