C2221333133313331311233132313331333133313331321123231333132222121121   >>    C222133313331333131123313231333133313331333132112323133313222212112   <<    C2221333133313331311233132313331333133313331321123231333132222121123   >>      C2221333133313331311233132313331333133313331321123231333132222121122   >>