C313212111113331323312111133133313331333133313331333133313231333133313223322311   >>    C31321211111333132331211113313331333133313331333133313331323133313331322332231   <<    C313212111113331323312111133133313331333133313331333133313231333133313223322313   >>      C313212111113331323312111133133313331333133313331333133313231333133313223322312   >>