1: (0 2 4)

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

2: (1 6 3)

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

3: (2 17 19)

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

4: (14 20 18)

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