C313212111113331323312111133133313331333133313331333133313331323233123311   >>    C31321211111333132331211113313331333133313331333133313331333132323312331   <<    C313212111113331323312111133133313331333133313331333133313331323233123313   >>      C313212111113331323312111133133313331333133313331333133313331323233123312   >>