C2221333133313331311233132313331333133313331333133313231311323321   >>    C222133313331333131123313231333133313331333133313331323131132332   <<    C2221333133313331311233132313331333133313331333133313231311323323   >>      C2221333133313331311233132313331333133313331333133313231311323322   >>