B4 mesh1
B4 mesh3
Number of blocks 3
(G1(0)) ---> 
[[(20,0),(0,0)]
 [(0,0),(20,0)]]

(G1(0)) ---> 
[[(3.2,0),(0,0)]
 [(0,0),(3.2,0)]]

(View[0](0)) ---> 
[[(3.2,0),(0,0)]
 [(0,0),(3.2,0)]]

(View[0](0)) ---> 
[[(1.6,0),(0,0)]
 [(0,0),(1.6,0)]]