Inbas3 I can't really explain the concept Inbas2 is basically basfact There are 12 characters per band The following numbers from 1-1,000: 1 2 10 11 12 20 21 22 30 31 32 100 101 102 110 111 112 120 121 122 130 131 132 200 201 202 210 211 212 220 221 222 230 231 232 300 301 302 310 311 312 320 321 322 330 331 332 400 401 402 410 411 412 420 421 422 430 431 432 1,000