class="bi x0 y0 w1 h1"
class="bi x0 y1 w2 h2"
class="bi x1 y2 w3 h3"
class="bi x2 y3 w4 h4"
class="bi x3 y4 w1 h1"
class="bi x4 y5 w5 h2"
class="bi x5 y6 w6 h5"
class="bi x6 y7 w7 h6"
class="bi x6 y1 w8 h2"
class="bi x7 y8 w6 h7"
class="bi x8 y4 w9 h1"
class="bi x4 y9 w9 h1"
class="bi x0 ya w1 h8"
class="bi x8 yb w9 h1"
class="bi x8 y5 w5 h2"
class="bi x9 yc wa h9"