C2221333133313331311233132313331333133313111112111133132322123311   >>    C222133313331333131123313231333133313331311111211113313232212331   <<    C2221333133313331311233132313331333133313111112111133132322123313   >>      C2221333133313331311233132313331333133313111112111133132322123312   >>