class="bi x0 y0 w1 h1"
class="bi x1 y1 w2 h2"
class="bi x2 y2 w3 h3"
class="bi x3 y3 w4 h4"
class="bi x4 y4 w5 h5"
class="bi x5 y5 w3 h6"
class="bi x6 y6 w6 h7"
class="bi x7 y7 w7 h8"
class="bi x8 y8 w8 h9"
class="bi x9 y9 w9 ha"
class="bi xa y2 w7 hb"
class="bi x3 ya wa hc"
class="bi xb yb wb hd"
class="bi xc yc wc he"
class="bi xd yd wa h8"
class="bi xe ye wd hf"
class="bi xf yf we h10"
class="bi x10 y10 wf h11"
class="bi x2 y11 w10 h9"
class="bi x11 y12 w7 hb"
class="bi x12 y13 w11 h12"
class="bi xb y14 w12 h13"
class="bi xc y15 w13 h14"
class="bi xa y1 w14 h15"
class="bi x13 y16 w15 h16"