1: (0 8 13)

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

2: (7 18 9)

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

3: (8 16 12)

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

4: (14 19 17)

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