:::::::::
:::::::::::::::::::
:::::::::::::::::::::::::
::::::::$2cllcccccllllllll$1::::::
:::::::::$2lc dc$1:::::::
::::::::$2cl clllccllll oc$1:::::::::
:::::::::$2o lc$1::::::::$2co oc$1::::::::::
::::::::::$2o cccclc$1:::::$2clcc$1::::::::::::
:::::::::::$2lc cclccclc$1:::::::::::::
::::::::::::::$2lcclcc lc$1::::::::::::
::::::::::$2cclcc$1:::::$2lccclc oc$1:::::::::::
::::::::::$2o l$1::::::::::$2l lc$1:::::::::::
:::::$2cll$1:$2o clcllcccll o$1:::::::::::
:::::$2occ$1:$2o clc$1:::::::::::
::::$2ocl$1:$2ccslclccclclccclclc$1:::::::::::::
:::$2oclcccccccccccccllllllllllllll$1:::::
::$2lcc1lcccccccccccccccccccccccco$1::::
::::::::::::::::::::::::::::::::
::::::::::::::::::::::::::::
::::::::::::::::::::::
::::::::::::