class="bi x0 y0 w0 h1"
class="bi x1 y1 w1 h0"
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class="bi x1 y1 w1 h0"
class="bi x1 y1 w1 h0"
class="bi x1 y1 w1 h0"
class="bi x1 y1 w1 h0"
class="bi x1 y1 w1 h0"
class="bi x1 y1 w1 h0"
class="bi x1 y1 w1 h0"
class="bi x1 y1 w1 h0"
class="bi x1 y1 w1 h0"
class="bi x1 y1 w1 h0"
class="bi x1 y1 w1 h0"
class="bi x1 y1 w1 h0"
class="bi x1 y1 w1 h0"
class="bi x1 y1 w1 h0"
class="bi x1 y1 w1 h0"
class="bi x1 y1 w1 h0"
class="bi x1 y1 w1 h0"
class="bi x1 y1 w1 h0"
class="bi x1 y1 w1 h0"
class="bi x1 y1 w1 h0"
class="bi x1 y1 w1 h0"
class="bi x1 y1 w1 h0"