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convert(char(4),auth,120)+'Äê'+
substring(convert(char(10),auth,120),6,2)+'ÔÂ'+
substring(convert(char(10),auth,120),9,2)+'ÈÕ',
convert(char(4),appr,120)+'Äê'+
substring(convert(char(10),appr,120),6,2)+'ÔÂ'+
substring(convert(char(10),appr,120),9,2)+'ÈÕ'
from a

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01     Ãû×ÖB
02     Ãû×ÖC
03     Ãû×ÖD
04     Ãû×ÖE
tmpB:
id     class
02     °à¼¶A
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        ......

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