C11111333133313232233133313331333131123313221211113313111121132311   >>    C1111133313331323223313331333133313112331322121111331311112113231   <<    C11111333133313232233133313331333131123313221211113313111121132313   >>      C11111333133313232233133313331333131123313221211113313111121132312   >>