class="bi x0 y0 w1 h1"
class="bi x1 y1 w2 h2"
class="bi x1 y2 w3 h3"
class="bi x1 y3 w3 h4"
class="bi x1 y4 w3 h5"
class="bi x1 y5 w4 h6"

class="bi x1 y6 w3 h7"
class="bi x1 y7 w3 h8"
class="bi x1 y8 w2 h9"
class="bi x1 y9 w5 ha"
class="bi x1 y9 w5 ha"
class="bi x1 y9 w5 ha"
class="bi x1 y9 w5 ha"
class="bi x1 y9 w5 ha"
class="bi x1 y9 w5 ha"
class="bi x2 y9 w1 ha"
class="bi x1 ya w5 hb"
class="bi x1 ya w5 hb"
class="bi x1 ya w5 hb"
class="bi x1 ya w5 hb"
class="bi x1 ya w5 hb"
class="bi x1 ya w5 hb"
class="bi x1 ya w5 hb"
class="bi x1 ya w5 hb"