1: (4 8 16)

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

2: (7 19 9)

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

3: (0 16 5)

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

4: (3 20 18)

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