class="bi x1 y1 w2 h1"
class="bi x2 y1 w3 h2"
class="bi x3 y1 w4 h3"
class="bi x4 y0 w6 h4"
class="bi x3 y2 w7 h5"
class="bi x5 y1 w8 h3"
class="bi x3 y0 w9 h0"
class="bi x2 y3 wa h6"
class="bi x3 y3 wb h7"