C2221333133313331311233132313331333133313331321123121111113121311   >>    C222133313331333131123313231333133313331333132112312111111312131   <<    C2221333133313331311233132313331333133313331321123121111113121313   >>      C2221333133313331311233132313331333133313331321123121111113121312   >>