1: (0 2 16)

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

2: (1 21 3)

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

3: (2 19 7)

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

4: (14 20 18)

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