C3132121111331312113313331333133313331333132313331333133313133313331323312131   >>    C313212111133131211331333133313331333133313231333133313331313331333132331213   <<    C3132121111331312113313331333133313331333132313331333133313133313331323312133   >>      C3132121111331312113313331333133313331333132313331333133313133313331323312132   >>