1: (0 3 8)

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

2: (2 20 5)

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

3: (4 12 6)

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

4: (5 9 7)

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