C1111133313331323223313331333133313331323133313331333112331333223231   >>    C111113331333132322331333133313331333132313331333133311233133322323   <<    C1111133313331323223313331333133313331323133313331333112331333223233   >>      C1111133313331323223313331333133313331323133313331333112331333223232   >>