C2221333133313331311233132313331333133313331333133313231333122321   >>    C222133313331333131123313231333133313331333133313331323133312232   <<    C2221333133313331311233132313331333133313331333133313231333122323   >>      C2221333133313331311233132313331333133313331333133313231333122322   >>