C1231321123223331211111131211113313331333132313332313221323323222333132321   >>    C123132112322333121111113121111331333133313231333231322132332322233313232   <<    C1231321123223331211111131211113313331333132313332313221323323222333132323   >>      C1231321123223331211111131211113313331333132313332313221323323222333132322   >>