C3132121111133313233121111331333133313331333133313331333132213113231   >>    C313212111113331323312111133133313331333133313331333133313221311323   <<    C3132121111133313233121111331333133313331333133313331333132213113233   >>      C3132121111133313233121111331333133313331333133313331333132213113232   >>