class="bi x0 y0 w1 h1"
class="bi x1 y1 w2 h2"
class="bi x1 y1 w3 h3"
class="bi x2 y1 w4 h4"
class="bi x1 y1 w3 h5"
class="bi x2 y1 w4 h4"
class="bi x3 y1 w5 h6"
class="bi x2 y1 w6 h4"
class="bi x3 y1 w5 h5"
class="bi x2 y1 w4 h7"
class="bi x3 y1 w7 h6"
class="bi x2 y1 w4 h4"
class="bi x3 y1 w7 h5"
class="bi x2 y1 w4 h4"
class="bi x3 y1 w7 h6"
class="bi x2 y1 w4 h4"
class="bi x3 y1 w5 h5"
class="bi x2 y1 w4 h4"
class="bi x3 y1 w5 h6"
class="bi x2 y1 w4 h8"
class="bi x3 y1 w7 h6"
class="bi x2 y1 w6 h4"
class="bi x3 y1 w7 h6"
class="bi x2 y1 w4 h4"
class="bi x3 y1 w5 h6"