class="bi x0 y0 w1 h1"
class="bi x1 y1 w2 h2"
class="bi x0 y2 w3 h3"
class="bi x1 y3 w4 h4"
class="bi x2 y4 w1 h5"
class="bi x0 y5 w5 h6"
class="bi x0 y6 w1 h7"
class="bi x1 y7 w3 h8"
class="bi x0 y8 w3 h9"
class="bi x1 y9 w4 ha"