C3132121111331312113313331333133313331333112331333131133132323321311   >>    C313212111133131211331333133313331333133311233133313113313232332131   <<    C3132121111331312113313331333133313331333112331333131133132323321313   >>      C3132121111331312113313331333133313331333112331333131133132323321312   >>