class="bi x1 y1 w2 h1"
class="bi x1 y2 w4 h2"
class="bi x1 y3 w5 h3"
class="bi x2 y4 w6 h4"
class="bi x3 y5 w7 h5"
class="bi x4 y2 w8 h6"
class="bi x5 y6 w9 h7"
class="bi x6 y7 wa h8"
class="bi x7 y2 wb h6"
class="bi x4 y8 wc h4"
class="bi x8 y6 wd h7"
class="bi x4 y9 w8 h9"
class="bi x4 y6 we h7"
class="bi x4 y9 wd h7"
class="bi x9 y9 w9 ha"
class="bi x9 y9 wf ha"
class="bi xa y6 w10 hb"
class="bi xb y6 w11 hc"
class="bi x9 y6 w9 hd"
class="bi x9 y5 w12 he"
class="bi xc ya w13 hf"
class="bi xa yb w14 ha"
class="bi xd yc w15 ha"
class="bi x8 yd w16 ha"