C2221333133313331311233132313331333133313331323321111331323133311222311   >>    C222133313331333131123313231333133313331333132332111133132313331122231   <<    C2221333133313331311233132313331333133313331323321111331323133311222313   >>      C2221333133313331311233132313331333133313331323321111331323133311222312   >>