1: (0 1 12)

(0)(1 18 16 14 12 20 5)(2 15 13 10 7)(3 6 4)(8 11 9)(17 21 19)

2: (5 12 20)

(0)(1 18 16 14 12)(2 15 13 10 7)(3 6 4)(5)(8 11 9)(17 21 19)(20)

3: (2 15 7)

(0)(1 18 16 14 12)(2)(3 6 4)(5)(7 13 10)(8 11 9)(15)(17 21 19)(20)

4: (1 18 12)

(0)(1)(2)(3 6 4)(5)(7 13 10)(8 11 9)(12 16 14)(15)(17 21 19)(18)(20)