1: (0 1 7)

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

2: (1 14 16)

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

3: (13 18 15)

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

4: (12 21 16)

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