1: (0 1 2)

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

2: (1 8 19)

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

3: (5 20 18)

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

4: (4 9 7)

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