10
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1m2m3m4m1s2s3s4s1p2p3p9p9p9p
2s2s3s3s4s4s5s5s6p7p8p1z1z2z
1s2s3s4p5p6p6s7s8s2s3s7m8m9m
3m4m5m6m6m6m2s3s6p7p8p1z1z1z
1p1p9s8s7s6s4s4s3s3s2s8m7m6m
3s3s3s5s6s7s8s1p2p3p5z5z5z5z
1m1m5m8m9m4p5p6p7p8p9p7s8s9s
6m6m4p5p5p3s3s3s8s8s8s1z1z1z
3m4m5m5p6p6p7p7p9p9p9p3s4s5s