class="bi x0 y0 w1 h1"

class="bi x1 y1 w2 h2"
class="bi x1 y2 w2 h3"
class="bi x1 y3 w3 h4"
class="bi x1 y4 w4 h5"

class="bi x1 y5 w5 h6"
class="bi x1 y5 w6 h6"
class="bi x1 y5 w7 h6"
class="bi x2 y6 w8 h7"
class="bi x2 y6 w8 h7"
class="bi x2 y6 w8 h7"
class="bi x2 y6 w8 h7"
class="bi x3 y6 w9 h7"
class="bi x4 y6 wa h7"
class="bi x4 y6 wa h7"
class="bi x2 y6 w8 h7"
class="bi x2 y6 w8 h7"
class="bi x5 y6 wb h7"
class="bi x2 y6 w8 h7"
class="bi x2 y6 w8 h7"
class="bi x2 y6 w8 h7"
class="bi x2 y6 w8 h7"
class="bi x2 y6 w8 h7"