class="bi x1 y1 w2 h1"
class="bi x2 y2 w3 h2"
class="bi x3 y3 w4 h3"
class="bi x4 y4 w5 h4"
class="bi x5 y5 w6 h5"
class="bi x6 y6 w7 h6"
class="bi x7 y5 w6 h7"
class="bi x6 y7 w7 h8"
class="bi x8 y6 w7 h9"
class="bi x9 y7 w7 h8"
class="bi xa y5 wa ha"
class="bi x9 y8 w7 h9"
class="bi x6 y9 w6 h7"
class="bi xa y9 w6 hb"
class="bi x6 y9 w6 h7"
class="bi xb y5 w6 ha"
class="bi xc ya w6 hc"
class="bi xa y6 w7 h7"
class="bi xc y5 w6 h7"
class="bi x9 yb wb hd"
class="bi x8 y6 w7 h9"
class="bi xb ya wc hc"
class="bi xb y5 wd h7"
class="bi x6 y6 w6 h9"