C222133313331333131123313231333133313331333132223133313331333133322122321   >>    C22213331333133313112331323133313331333133313222313331333133313332212232   <<    C222133313331333131123313231333133313331333132223133313331333133322122323   >>      C222133313331333131123313231333133313331333132223133313331333133322122322   >>