C222133313331333131123313231333133313331333132331211111331121332321   >>    C22213331333133313112331323133313331333133313233121111133112133232   <<    C222133313331333131123313231333133313331333132331211111331121332323   >>      C222133313331333131123313231333133313331333132331211111331121332322   >>