1: (0 1 5)

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

2: (5 17 19)

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

3: (14 21 18)

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

4: (4 16 6)

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