C2221333133313331311233132313331333133313331321123231333132223213221   >>    C222133313331333131123313231333133313331333132112323133313222321322   <<    C2221333133313331311233132313331333133313331321123231333132223213223   >>      C2221333133313331311233132313331333133313331321123231333132223213222   >>