1: (0 1 9)

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

2: (1 17 19)

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

3: (14 20 18)

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

4: (13 21 19)

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