printing map

[[0,1,2]
 [10,11,12]]
 B = [10,11,12,13,14,15,16,17,18,19]
20,22,24,26,28,30,32,34,36,38, B= [20,22,24,26,28,30,32,34,36,38]
 Number of elements <25 : 3
 B= [20,22,24,26,28,30,32,34,18,0]
 max(B) 34
 max(B) position 7
 B= [0,0,0,26,28,30,32,34,0,0]
 B= [0,0,0,26,28,30,32,34,0,0]
 C= [0,0,0,0,0,0,0,0,0,0]
 B= [0,0,0,0,0,0,0,0,0,0]
 C= [0,0,0,26,28,30,32,34,0,0]