C313212111113331323312111133133313331333133313331333133313331333133311212312311   >>    C31321211111333132331211113313331333133313331333133313331333133313331121231231   <<    C313212111113331323312111133133313331333133313331333133313331333133311212312313   >>      C313212111113331323312111133133313331333133313331333133313331333133311212312312   >>