Array
(
    [sn] => A1
    [lang] => B1
    [block] => D1
    [lang-en] => B2
    [lang-zh] => C2
    [block-skip] => D2
)
Array
(
    [sn] => A1:A2
    [lang] => B1:C1
    [block] => D1:E2
    [lang-en] => B2:B2
    [lang-zh] => C2:C2
    [block-skip] => D2:E2
)
sn start cell: A1
sn start column: A
sn start row: 1
sn range: A1:A2
All range: A1:E4