Left: 20       Right: 10 
Left: 20       Right: 11 
Left: 20       Right: 12 
Left: 20       Right: 13 
Left: 20       Right: 14 
Left: 20       Right: 15 
Left: 20       Right: 16 
Left: 20       Right: 17 
Left: 20       Right: 18 
Left: 20       Right: 19 
Left: 20       Right: 20 
Left: 20       Right: 19 
Left: 20       Right: 18 
Left: 20       Right: 17 
Left: 20       Right: 16 
Left: 20       Right: 15 
Left: 20       Right: 14 
Left: 20       Right: 13 
Left: 20       Right: 12 
Left: 11       Right: 20 
Left: 10       Right: 20 
Left: 9       Right: 20 
Left: 8       Right: 20 
Left: 7       Right: 20 
Left: 6       Right: 20 
Left: 5       Right: 20 
Left: 4       Right: 20 
Left: 3       Right: 20 
Left: 2       Right: 20 
Left: 1       Right: 20 
Left: 0       Right: 20 
Left: -1       Right: 20
Left: -2       Right: 20 
Left: -3       Right: 20 
Left: -4       Right: 20 
Left: -5       Right: 20 
Left: -6       Right: 20 
Left: -7       Right: 20 
Left: -8       Right: 20