C222133313331333131123313231333133313331333132112111133132231223321   >>    C22213331333133313112331323133313331333133313211211113313223122332   <<    C222133313331333131123313231333133313331333132112111133132231223323   >>      C222133313331333131123313231333133313331333132112111133132231223322   >>