class="bi x0 y0 w0 h1"

class="bi x0 y0 w1 h2"

class="bi x0 y0 w3 h0"
class="bi x0 y0 w3 h2"

class="bi x0 y0 w1 h2"
class="bi x0 y0 w2 h0"
class="bi x0 y0 w3 h0"
class="bi x0 y0 w1 h2"
class="bi x0 y0 w3 h0"
class="bi x0 y0 w2 h2"
class="bi x0 y0 w2 h0"
class="bi x0 y0 w3 h0"

class="bi x0 y0 w2 h0"
class="bi x0 y0 w2 h0"
class="bi x0 y0 w3 h0"
class="bi x0 y0 w3 h2"
class="bi x0 y0 w2 h1"
class="bi x0 y0 w2 h0"
class="bi x0 y0 w2 h0"
class="bi x0 y0 w2 h2"
class="bi x0 y0 w2 h0"