1: (0 3 4)

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

2: (4 7 14)

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

3: (6 16 13)

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

4: (3 14 5)

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