C2221333133313331311233132313331333133313331321123231333132322121111331311221   >>    C222133313331333131123313231333133313331333132112323133313232212111133131122   <<    C2221333133313331311233132313331333133313331321123231333132322121111331311223   >>      C2221333133313331311233132313331333133313331321123231333132322121111331311222   >>