C3132121111331312113313331333133313331333112331333133112323213311   >>    C313212111133131211331333133313331333133311233133313311232321331   <<    C3132121111331312113313331333133313331333112331333133112323213313   >>      C3132121111331312113313331333133313331333112331333133112323213312   >>