C2221333133313331311233132313331333133313331321123231333132211322131   >>    C222133313331333131123313231333133313331333132112323133313221132213   <<    C2221333133313331311233132313331333133313331321123231333132211322133   >>      C2221333133313331311233132313331333133313331321123231333132211322132   >>