C313212111113331323312111133133313331333133313331333133313331323211231211311   >>    C31321211111333132331211113313331333133313331333133313331333132321123121131   <<    C313212111113331323312111133133313331333133313331333133313331323211231211313   >>      C313212111113331323312111133133313331333133313331333133313331323211231211312   >>