C2221333133313331311233132313331333132313231311331312111133133313223322321   >>    C222133313331333131123313231333133313231323131133131211113313331322332232   <<    C2221333133313331311233132313331333132313231311331312111133133313223322323   >>      C2221333133313331311233132313331333132313231311331312111133133313223322322   >>