C1231321123223331211111131211113313331333132313332313232332223232132223321   >>    C123132112322333121111113121111331333133313231333231323233222323213222332   <<    C1231321123223331211111131211113313331333132313332313232332223232132223323   >>      C1231321123223331211111131211113313331333132313332313232332223232132223322   >>