diff --git a/2023/ruby/day_14.rb b/2023/ruby/day_14.rb
new file mode 100644
index 0000000..be5d668
--- /dev/null
+++ b/2023/ruby/day_14.rb
@@ -0,0 +1,9 @@
+input = ARGF.readlines(chomp: true).map(&:chars)
+
+p input.transpose
+  .map {|col| col.chunk_while { [_1, _2].tally.fetch(?#, 0).even? }}
+  .map {|col| col.flat_map { _1.sort.reverse }}
+  .transpose
+  .reverse
+  .each.with_index
+  .sum {|row, i| row.count(?O) * (i+1) }