C1231321123223331211111131211113313331333132313332313221323322121322132331   >>    C123132112322333121111113121111331333133313231333231322132332212132213233   <<    C1231321123223331211111131211113313331333132313332313221323322121322132333   >>      C1231321123223331211111131211113313331333132313332313221323322121322132332   >>