use "std"
for b : range(8)
  print sprintf("  4%dm ", b)
println ""
for f : range(30, 38) {
  for s : ["", "1;"] {
    print sprintf("%4sm", s+f)
    print sprintf(" \u001B[%sm%s\u001B[0m", s+f, "gYw ")
    for b : range(8)
      print sprintf(" \u001B[4%s;%sm%s\u001B[0m", b, s+f, " gYw ")
    println ""
  }
}

/*use "functional"
stream(range(30, 38))
  .flatMap(def(f) = [[f, ""], [f, "1;"]])
  .forEach(def(a) {
    extract(f, s) = a
    print sprintf("%4sm", s+f)
    print sprintf(" \u001B[%sm%s\u001B[0m", s+f, "gYw ")
    for b : range(8)
      print sprintf(" \u001B[4%s;%sm%s\u001B[0m", b, s+f, " gYw ")
    println ""
  })
*/