C2221333133313331311233132313331333133313331321121111121121333121   >>    C222133313331333131123313231333133313331333132112111112112133312   <<    C2221333133313331311233132313331333133313331321121111121121333123   >>      C2221333133313331311233132313331333133313331321121111121121333122   >>