C2221333133313331311233132313331333133313331321123231333132322322131   >>    C222133313331333131123313231333133313331333132112323133313232232213   <<    C2221333133313331311233132313331333133313331321123231333132322322133   >>      C2221333133313331311233132313331333133313331321123231333132322322132   >>