class="bi x0 y0 w1 h1"
class="bi x1 y1 w2 h0"
class="bi x2 y2 w3 h3"
class="bi x3 y2 w4 h4"
class="bi x0 y3 w5 h5"
class="bi x3 y4 w6 h6"
class="bi x1 y0 w7 h7"
class="bi x1 y1 w8 h0"
class="bi x4 y1 w9 h9"
class="bi x2 y1 wa h0"