
                          /\
               /\________/.\___/\____/\/\___/\ /\____/\
               \__      /:.\  \______/\__  _/ \__     \
                 \    /         /    \  /   |   /  __  \
                  \   /     o   /     \/. |__/\:.|/   \
                   \.:  /    /:.     \:.      \./    \
                    \. /  _/.:.    \_.:   \_:.    \_
                     \  /____\____________/_________/________/
                      \/
                                              /\      [AVL/BB]
                /\____/\ /\____/\ /\___/\    /  \___/\  _______/\
                \__     \\__     \\__  _/   /    \   \/   _____/
                 /  .   \/   .  \/   |   /   o  \    \_____  \
                /    !   \   !    \. |__/\       \    \       \
               /.: _____/. .    \:..   \.\        \:.    \
             _/:.  \_/:.: |      \:.   \_:\.       \_.   \_
             \________/_______|  o    \_______/__\:. /____/_______/
              !________/\./
                                          \/

