C3132121111331312113313331333133313331333112331333132322121213311   >>    C313212111133131211331333133313331333133311233133313232212121331   <<    C3132121111331312113313331333133313331333112331333132322121213313   >>      C3132121111331312113313331333133313331333112331333132322121213312   >>