C2221333133313331311233132313331333133313331321123231333223312231   >>    C222133313331333131123313231333133313331333132112323133322331223   <<    C2221333133313331311233132313331333133313331321123231333223312233   >>      C2221333133313331311233132313331333133313331321123231333223312232   >>