C313212111133131211331333133313331333133311233133313221211111333112113311   >>    C31321211113313121133133313331333133313331123313331322121111133311211331   <<    C313212111133131211331333133313331333133311233133313221211111333112113313   >>      C313212111133131211331333133313331333133311233133313221211111333112113312   >>