1: (0 8 13)

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

2: (7 15 12)

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

3: (5 18 13)

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

4: (14 19 16)

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