C313212111113331323312111133133313331333133313331333133313331333112113233232311   >>    C31321211111333132331211113313331333133313331333133313331333133311211323323231   <<    C313212111113331323312111133133313331333133313331333133313331333112113233232313   >>      C313212111113331323312111133133313331333133313331333133313331333112113233232312   >>