7,4,21,3
11,4,21,4
149,128,21,2
199,150,21,0,-1
7,4,21,3
11,4,21,4
149,128,21,2
199,150,21,0,-1
7,4,21,3
11,4,21,4
149,128,21,2
199,150,21,0,-1