C2221333133313331311233132313331333133313331323121111121111133221311   >>    C222133313331333131123313231333133313331333132312111112111113322131   <<    C2221333133313331311233132313331333133313331323121111121111133221313   >>      C2221333133313331311233132313331333133313331323121111121111133221312   >>