C2221333133313331311233132313331333133313331321123231333131213231221   >>    C222133313331333131123313231333133313331333132112323133313121323122   <<    C2221333133313331311233132313331333133313331321123231333131213231223   >>      C2221333133313331311233132313331333133313331321123231333131213231222   >>