zzzz xxxx cccc vvvv bbbb nnnn mmmm ,,,, .... ////
zxcvb bvcxz nm,./ /.,mn
z/x.c,vmbn z/x.c,vmbn /z.x,cmvnb /z.x,cmvnb
bnvmc,x.z/ bnvmc,x.z/ nbmv,c.x/z nbmv,c.x/z
zz//xx..cc,,vvmmbbnn
zxcvbnm,.//.,mnbvcxz zxcvbnm,.//.,mnbvcxz