C3132121111133313233121111331333133313331333133313331333133313331123121331   >>    C313212111113331323312111133133313331333133313331333133313331333112312133   <<    C3132121111133313233121111331333133313331333133313331333133313331123121333   >>      C3132121111133313233121111331333133313331333133313331333133313331123121332   >>