C2221333133313331311233132313331333133313131133133313331313231323233231   >>    C222133313331333131123313231333133313331313113313331333131323132323323   <<    C2221333133313331311233132313331333133313131133133313331313231323233233   >>      C2221333133313331311233132313331333133313131133133313331313231323233232   >>