C2221333133313331311233132313331333133313331323312111113113313113313221231221   >>    C222133313331333131123313231333133313331333132331211111311331311331322123122   <<    C2221333133313331311233132313331333133313331323312111113113313113313221231223   >>      C2221333133313331311233132313331333133313331323312111113113313113313221231222   >>