1: (0 2 5)

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

2: (1 6 3)

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

3: (2 14 18)

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

4: (13 19 17)

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