imap m <Esc>
let @w="l\"_x"

let @a="ggyyp1G1|10000@w"
let @b="2G1|\"_x10000@w"
let @c=":%s/\\^/k/g
:%s/>/l/g
:%s/</h/g
:%s/v/j/g
:%s/\\(.\\)/\\1v\"_cXm/g
1G1|vg_d:let @z=@@
2G1|vg_d:let @y=@@
i.\evd500pdd500P250G250|v\"_cXm@z250G250|@y:%s/X//gn
"