C2221333133313331311233132313331333133313331321123231333132233133121   >>    C222133313331333131123313231333133313331333132112323133313223313312   <<    C2221333133313331311233132313331333133313331321123231333132233133123   >>      C2221333133313331311233132313331333133313331321123231333132233133122   >>