C3132121111133313233121111331333133313331333133313331333133313331333231313231   >>    C313212111113331323312111133133313331333133313331333133313331333133323131323   <<    C3132121111133313233121111331333133313331333133313331333133313331333231313233   >>      C3132121111133313233121111331333133313331333133313331333133313331333231313232   >>