1: (0 2 17)

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

2: (1 18 7)

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

3: (4 17 21)

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

4: (3 8 5)

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