select
a.number_s,
substring(a.submit_param, b.number, charindex(',', a.submit_param + ',', b.number) - b.number) as submit_param
from (select 'A1555' as number_s,'115,116' as submit_param
union all
select 'A1176' as number_s,'117,119,120' as submit_param
) a
join master..spt_values b on b.type = 'P'
where charindex(',', ',' + a.submit_param, b.number) = b.number