Lefties who smudge what they write may prefer right-to-left languages like this one used in Qom & Tabriz
In 
order to write left-to-right, many left-handers adopt an awkward, and sometimes 
painful, crab hand or hook style of writing with a severely bent wrist, and they 
may... [DOC] [TLE] Why are some languages written from right-to-left?