1: (0 1 2)

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

2: (1 12 19)

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

3: (6 20 18)

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

4: (2 21 19)

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