1: (0 3 8)

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

2: (2 21 5)

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

3: (4 12 6)

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

4: (5 9 7)

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