C2221333133313331311233132313331333133313331321123231333132222213331   >>    C222133313331333131123313231333133313331333132112323133313222221333   <<    C2221333133313331311233132313331333133313331321123231333132222213333   >>      C2221333133313331311233132313331333133313331321123231333132222213332   >>