class="bi x0 y0 w1 h1"
class="bi x1 y1 w2 h2"
class="bi x1 y2 w3 h3"
class="bi x1 y3 w2 h4"
class="bi x1 y4 w2 h5"
class="bi x1 y2 w2 h6"
class="bi x1 y5 w2 h7"
class="bi x1 y1 w2 h7"
class="bi x1 y6 w4 h8"
class="bi x1 y7 w3 h9"
class="bi x1 y8 w5 ha"
class="bi x1 y9 w6 hb"
class="bi x1 ya w7 hc"
class="bi x1 y3 w7 h3"