1: (0 8 14)

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

2: (7 15 12)

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

3: (5 18 14)

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

4: (13 19 16)

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