a=axc1
a=a+a+a+a+axaxaxaxaxc985
left case
Na=axc1Oa=axc1
empty_shape
Na=axc1
right case

312b27810cba5e871e6f2c475f6729af 4H3H1H3
ad34dc350a276f366403b8dde672c21a 4H3H1H0
6e627bd81e8a478d13a62a6d15d42722 2H0H1H0
b1c1df2b8bc1d61c64c873b954c2d78f 4H3H1H5
7af48f254328a1459762f4a78f5d922b 6H5H1H5
