Color distribution formatting

Colors.kt

fun main(args: Array<String>) {
    val colors = listOf(
            "#ff0000",
            "#ffff00",
            "#0000ff",
            "#ff8000",
            "#00ff00"
    )

    val sb = StringBuilder()
    for(i in 1..20) {
        val color = colors[(i - 1) % colors.size]
        sb.append("[COLOR=$color]$i[/COLOR]-")
    }

    println(sb.toString())
}