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6
~i-!-I.'....1 ---------------SHT
11)
+VC6
ISHT 10) + H C O - - - - - - - - - - - - - - - - - - - - - - - - - - - - i i s
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ISHT 1) ·SBHE:------------'-'-j
U71
L2~5 ----------------------------------:~:i:: :~~~~~
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