C2221333133313331311233132313331333133313232123313331323222313233231   >>    C222133313331333131123313231333133313331323212331333132322231323323   <<    C2221333133313331311233132313331333133313232123313331323222313233233   >>      C2221333133313331311233132313331333133313232123313331323222313233232   >>