C2221333133313331311233132313331333133313131133133313232213233311   >>    C222133313331333131123313231333133313331313113313331323221323331   <<    C2221333133313331311233132313331333133313131133133313232213233313   >>      C2221333133313331311233132313331333133313131133133313232213233312   >>