C222133313331333131123313231333133313331333132112111133312112321   >>    C22213331333133313112331323133313331333133313211211113331211232   <<    C222133313331333131123313231333133313331333132112111133312112323   >>      C222133313331333131123313231333133313331333132112111133312112322   >>