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+#!/usr/bin/awk -f
+
+/Y/ { s += 3 }
+/Z/ { s += 6 }
+
+/A Y|B X|C Z/ { s += 1 }
+/B Y|C X|A Z/ { s += 2 }
+/C Y|A X|B Z/ { s += 3 }
+
+END { print s }