1: (0 1 17)

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

2: (4 17 21)

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

3: (2 20 8)

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

4: (3 9 5)

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