1: (0 3 4)

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

2: (3 10 19)

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

3: (9 20 18)

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

4: (8 21 19)

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