C3132121111133313233121111331333133313331333133313331333131133113231   >>    C313212111113331323312111133133313331333133313331333133313113311323   <<    C3132121111133313233121111331333133313331333133313331333131133113233   >>      C3132121111133313233121111331333133313331333133313331333131133113232   >>