C3132121111331312113313331333133313332313223313331323133313232333131   >>    C313212111133131211331333133313331333231322331333132313331323233313   <<    C3132121111331312113313331333133313332313223313331323133313232333133   >>      C3132121111331312113313331333133313332313223313331323133313232333132   >>