1: (0 3 8)

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

2: (2 21 5)

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

3: (4 14 6)

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

4: (5 9 7)

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