3|-------------------------------------------------------3-3-3-3
4|----------------------------------------0-2-22-0-2-2-2--------
5|--0-00-2-3-33-0-------------0-00-2-3-33-----------------------
6|0---------------3-33-0-3--0-----------------------------------
3|---------------------------------------
4|2-2-2-2-2-2----------------------------
5|--------------------0-3-3-3--3-0-----0-
6|------------0-1-1-1--------------3-0---