C2221333133313331311233132313331333133313111112111113331323233221   >>    C222133313331333131123313231333133313331311111211111333132323322   <<    C2221333133313331311233132313331333133313111112111113331323233223   >>      C2221333133313331311233132313331333133313111112111113331323233222   >>