C313212111113331323312111133133313331333133313331333133313231323132313223231   >>    C31321211111333132331211113313331333133313331333133313331323132313231322323   <<    C313212111113331323312111133133313331333133313331333133313231323132313223233   >>      C313212111113331323312111133133313331333133313331333133313231323132313223232   >>