C2221333133313331311233132313331333133313331321123121111113122211   >>    C222133313331333131123313231333133313331333132112312111111312221   <<    C2221333133313331311233132313331333133313331321123121111113122213   >>      C2221333133313331311233132313331333133313331321123121111113122212   >>