1: (0 1 5)

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

2: (3 5 16)

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

3: (4 18 7)

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

4: (15 21 17)

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