C1231321123223331211111131211113313331333132332131231322131333131   >>    C123132112322333121111113121111331333133313233213123132213133313   <<    C1231321123223331211111131211113313331333132332131231322131333133   >>      C1231321123223331211111131211113313331333132332131231322131333132   >>