C313212111113331323312111133133313331333133313331333133313331333133112133112311   >>    C31321211111333132331211113313331333133313331333133313331333133313311213311231   <<    C313212111113331323312111133133313331333133313331333133313331333133112133112313   >>      C313212111113331323312111133133313331333133313331333133313331333133112133112312   >>