C3132121111331312113313331333133313331333112331333132322232131123231   >>    C313212111133131211331333133313331333133311233133313232223213112323   <<    C3132121111331312113313331333133313331333112331333132322232131123233   >>      C3132121111331312113313331333133313331333112331333132322232131123232   >>