1: (0 1 17)

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

2: (4 17 21)

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

3: (2 20 6)

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

4: (3 8 5)

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