C2221333133313331311233132313331333133313331333133313331333131133132322121311   >>    C222133313331333131123313231333133313331333133313331333133313113313232212131   <<    C2221333133313331311233132313331333133313331333133313331333131133132322121313   >>      C2221333133313331311233132313331333133313331333133313331333131133132322121312   >>