C222133313331333131123313231333133313331333132331211331323221123321   >>    C22213331333133313112331323133313331333133313233121133132322112332   <<    C222133313331333131123313231333133313331333132331211331323221123323   >>      C222133313331333131123313231333133313331333132331211331323221123322   >>