C1231321123223331211111131211113313331333132313332313232332213323213113131   >>    C123132112322333121111113121111331333133313231333231323233221332321311313   <<    C1231321123223331211111131211113313331333132313332313232332213323213113133   >>      C1231321123223331211111131211113313331333132313332313232332213323213113132   >>