class="bi x0 y0 w1 h1"
class="bi x0 y1 w2 h2"
class="bi x0 y2 w3 h3"
class="bi x0 y3 w4 h4"
class="bi x0 y3 w5 h5"
class="bi x0 y4 w5 h6"
class="bi x0 y3 w6 h5"
class="bi x0 y0 w5 h7"
class="bi x0 y3 w5 h4"
class="bi x0 y1 w7 h2"
class="bi x0 y0 w8 h1"