1: (0 8 15)

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

2: (6 20 14)

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

3: (3 9 7)

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

4: (5 21 15)

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