package main

import (
    //"fmt"
    "tour/pic"
    //"math"
)


func Pic(dx, dy int) [][]uint8 {
    retval := make([][]uint8, dy)
    for i:=0; i < dy; i++ {
        temp := make([]uint8, dx)
        for j:=0; j < dx; j++ {
            temp[j] = uint8((i+j)/2)
        }
        retval[i] = temp
    }
    return retval
}


func main() {
    pic.Show(Pic)
}