1: (0 6 8)

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

2: (3 9 7)

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

3: (6 16 18)

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

4: (14 19 17)

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