diff --git a/3_4__Interlude_Writing_a_Raw_Transaction_The_Easy_Way.md b/4_2__Interlude_Writing_a_Raw_Transaction_The_Easy_Way.md
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rename from 3_4__Interlude_Writing_a_Raw_Transaction_The_Easy_Way.md
rename to 4_2__Interlude_Writing_a_Raw_Transaction_The_Easy_Way.md