1: (0 3 5)

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

2: (5 10 14)

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

3: (9 16 12)

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

4: (11 15 13)

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