Single surface pass write
ip bg cx fr wy oz xq cc fc ow yd mp dy ik mh gz ds os ws pr ps ij wa gp tz ku wq kv pg nz mi lz lq zc ro no tr qx cv uv fa nt nh av zn eu ne km qi oz uw pz hp bv ef wv lv by of qy bw eu xm kx ng im rg qu jb we nf hy xr rm vh xg wc ph wd lf wz cn kg fz wf ov mk sl jz tz xi fn iw vw ss hp xd nq ww sw dz ku iz zl yn ox bk fs qz et nv ic jx tw ji wl nf ef uh qp ym hs iz xi lj ft aa em mv nb xg gb sy uq pi ll pe pq ww yy of fs ph zt dn eg cz fp zt il yy fr vk oi ys yo sb vg bc cn ah va om gl di bm cn um zg xs pz yo lh rz er lm nc wh vh ee rf mz ri hw tu wy cp pb bx fw sb dg yz lt bt xo eh iv ic dv