Table 1. Bar Widths Code
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group A group B group C
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WBWB WBWB BWBW
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odd even
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0 3211 1123 3211
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1 2221 1222 2221
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2 2122 2212 2122
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3 1411 1141 1411
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4 1132 2311 1132
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5 1231 1321 1231
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6 1114 4111 1114
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7 1312 2131 1312
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8 1213 3121 1213
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9 3112 2113 3112
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