class="bi x0 y0 w1 h1"
class="bi x1 y1 w2 h2"
class="bi x2 y2 w3 h3"
class="bi x3 y3 w4 h4"
class="bi x4 y4 w5 h0"
class="bi x5 y1 w6 h2"
class="bi x2 y4 w7 h6"
class="bi x6 y5 w8 h7"
class="bi x7 y4 w9 h8"
class="bi x8 y6 wa h9"