class="bi x0 y0 w0 h1"
class="bi x0 y0 w2 h2"
class="bi x0 y0 w3 h3"
class="bi x0 y0 w4 h4"
class="bi x0 y0 w5 h5"
class="bi x0 y0 w2 h2"
class="bi x0 y0 w5 h3"
class="bi x0 y0 w3 h1"

class="bi x0 y0 w7 h8"
class="bi x0 y0 w7 h8"