C3132121111331312113313331333133313331333112331323133313112211211223311   >>    C313212111133131211331333133313331333133311233132313331311221121122331   <<    C3132121111331312113313331333133313331333112331323133313112211211223313   >>      C3132121111331312113313331333133313331333112331323133313112211211223312   >>