C2221333133313331311233132313331333133313331321123231313331323221231211321   >>    C222133313331333131123313231333133313331333132112323131333132322123121132   <<    C2221333133313331311233132313331333133313331321123231313331323221231211323   >>      C2221333133313331311233132313331333133313331321123231313331323221231211322   >>