Here is the long way, assuming you don't have more columns that those you showed on your example, and that no more than 1 version number will appear per row:
Enter on A2:
=INDEX($C$1:$I$1,,MATCH(B2,C2:I2,0))
Enter on B2 (Sorry for the long formula, I'm not that good with arrays):
=IF(ISNUMBER(VALUE(LEFT(C2,1))),C2,IF(ISNUMBER(VALUE(LEFT(D2,1))),D2,IF(ISNUMBER(VALUE(LEFT(E2,1))),E2,IF(ISNUMBER(VALUE(LEFT(F2,1))),F2,IF(ISNUMBER(VALUE(LEFT(G2,1))),G2,IF(ISNUMBER(VALUE(LEFT(H2,1))),H2,IF(ISNUMBER(VALUE(LEFT(I2,1))),I2,"")))))))
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