C2221333133313331311233132313331333133313331333133313331312321321   >>    C222133313331333131123313231333133313331333133313331333131232132   <<    C2221333133313331311233132313331333133313331333133313331312321323   >>      C2221333133313331311233132313331333133313331333133313331312321322   >>