1: (0 2 9)

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

2: (1 19 6)

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

3: (8 21 18)

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

4: (4 9 16)

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