class="bi x0 y0 w1 h1"
class="bi x0 y1 w2 h2"
class="bi x1 y0 w3 h3"
class="bi x2 y2 w4 h4"
class="bi x0 y0 w0 h5"
class="bi x2 y3 w5 h0"
class="bi x3 y3 w6 h3"
class="bi x2 y0 w7 h6"
class="bi x4 y4 w8 h7"
class="bi x2 y5 w9 h8"