Number place of 4 by 4

This app is a mini version of Number Place.

This game puts numbers 1 to 4 vertically one by one.
Do not put the same number in one column.
Please use all the numbers from 1 to 4.
Enter the numbers 1 to 4 in the line one by one.
Do not put the same number in one line.
Please use all the numbers from 1 to 4.
There are four colors on the screen: purple, red, yellow, and green.
There are 4 boxes per color.
Enter a number from 1 to 4 for each.
Do not put the same number for one color
Please use all the numbers from 1 to 4.