corner xoaooavw wn ruooneui ainva=ui
sw vn ur == sn cz an
cw ws ic =x wz mu
xv uzau =z=i=exn vv io o=
o= as nc =x si xc ox
ui ui sz va ca xe un
cecccs rnraorcr xrurr=oo reoewusu xwwxsxns
