Both of the Schedule K-1 box codes you list are used for "Other Information," which is why you may not see your specific item on the drop-down list. It appears these amounts were included in the Income/Loss from the investment in the prior year. But without more guidance, the exact coding is not clear.
You may need to contact the company that provided the K-1s if the supplemental information did not you give you specific instructions for where these items should appear on your 1040 return.
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