C1231321123223331211111131211113313331333132313332313232332223332233111   >>    C123132112322333121111113121111331333133313231333231323233222333223311   <<    C1231321123223331211111131211113313331333132313332313232332223332233113   >>      C1231321123223331211111131211113313331333132313332313232332223332233112   >>