class="bi x0 y0 w1 h1"
class="bi x1 y0 w2 h2"
class="bi x0 y0 w1 h3"
class="bi x0 y0 w3 h4"
class="bi x0 y0 w1 h2"
class="bi x2 y0 w4 h5"
class="bi x0 y0 w1 h6"
class="bi x1 y0 w2 h7"
class="bi x0 y0 w1 h7"
class="bi x0 y0 w3 h1"
class="bi x0 y0 w3 h5"