1: (0 2 17)

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

2: (1 20 9)

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

3: (16 21 18)

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

4: (2 19 14)

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