1: (0 2 9)

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

2: (1 20 7)

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

3: (2 11 8)

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

4: (0 21 19)

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