C2221333133313331311233132313331333133313331322232133313231312321   >>    C222133313331333131123313231333133313331333132223213331323131232   <<    C2221333133313331311233132313331333133313331322232133313231312323   >>      C2221333133313331311233132313331333133313331322232133313231312322   >>