5   (13.5)_(13.5)
5   ( 7o o 5)
3  _5(  13T  5)3_
3 /  \___/3  \
5 |3| 13pedro3 |5|
5 (3|___|___|5)
2  |  ___  |
2  |__| |__|
5  (__) (__)