C313212111113331323312111133133313331333133313331333133313331333133112131123311   >>    C31321211111333132331211113313331333133313331333133313331333133313311213112331   <<    C313212111113331323312111133133313331333133313331333133313331333133112131123313   >>      C313212111113331323312111133133313331333133313331333133313331333133112131123312   >>