1: (0 2 3)

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

2: (2 10 19)

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

3: (8 20 18)

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

4: (7 21 19)

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