uwceeowm  ze    =u  oriccueu   rsiiee    zonn=w  

 iv         se  =o        rw   sa    mv  xs    =v 

 =i          zxsi        z=    cv        zc       

 vrvrur       ex        zn      unzwzm   a=       

 ew           zv       rv            os  so       

 uu           cc      mr       cc    vw  oc    xs 

 ei           sx     rciiiwxs   i=soev    cexo=x