1: (0 1 5)

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

2: (1 6 16)

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

3: (5 18 9)

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

4: (7 17 15)

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