C313212111113331323312111133133313331333133313331333133313331333133112113122311   >>    C31321211111333132331211113313331333133313331333133313331333133313311211312231   <<    C313212111113331323312111133133313331333133313331333133313331333133112113122313   >>      C313212111113331323312111133133313331333133313331333133313331333133112113122312   >>