1: (0 1 16)

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

2: (9 16 20)

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

3: (8 18 15)

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

4: (7 19 16)

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