keys = `~ 1! 2@ 3\# 4$ 5% 6^ 7& 8* 9( 0) -_ =+
fingers = 0 1 1 2 3 3 3 6 7 7 8 9 9
keys = a d g j m p s v x z [{ ]} \|
fingers = 0 1 2 3 3 6 6 7 8 9 9 9 9
keys = b e h k n q t w y ;: '"
fingers = 0 1 2 3 3 6 6 7 8 9 9
keys = c f i l o r u ,< .> /?
fingers = 0 1 2 3 3 6 6 7 8 9