class="bi x0 y0 w1 h1"
class="bi x1 y1 w2 h2"
class="bi x2 y2 w3 h3"
class="bi x3 y0 w4 h4"
class="bi x4 y1 w5 h5"
class="bi x2 y1 w6 h5"
class="bi x5 y3 w7 h2"
class="bi x3 y4 w4 h0"
class="bi x3 y3 w8 h7"
class="bi x4 y5 w5 h7"