This is the above sums chart of Zero and One digits condensed.
All #56 Singles without Zero or ONE digits (336 straights)
234, 235, 236, 237, 238, 239, 245, 246 ,247, 248, 249 ,256, 257, 258, 259 ,267, 268, 269, 278, 279, 289, 345 ,346, 347, 348, 349, 356, 357, 358, 359, 367, 368, 369, 378, 379, 389, 456, 457, 458 ,459, 467, 468, 469, 478 ,479, 489, 567, 568, 569, 578, 579, 589, 678, 679, 689, 789,
Zero/One group) #64 (384 straights)
012,013,014, 015,016,017, 018, 019, 023, 024 ,025, 026 ,027, 028 ,029, 034, 035, 036, 037, 038 ,039 ,045 ,046, 047, 048, 049, 056, 057, 058 ,059, 067, 068, 069, 078, 079, 089, 123 ,124, 125 ,126 ,127, 128, 129, 134, 135, 136, 137 ,138, 139 ,145, 146, 147, 148, 149 ,156, 157, 158, 159, 167, 168, 169, 178, 179, 189
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Although these are not a perfect 50/50 group... the box numbers are easy to track and keep up with. Easy to pick out in a large group of numbers. A box single number either has a ZERO/ONE digit in it..... or not. Simple