class="bi x0 y0 w0 h1"
class="bi x0 y0 w2 h2"
class="bi x0 y0 w4 h4"
class="bi x0 y0 w6 h6"
class="bi x0 y0 w8 h8"
class="bi x0 y0 wa ha"
class="bi x0 y0 wb hc"