 white "W x "H glass |  white |
 white |  white |
 white |  white |
 white |  black |
 white |  black |
 white |  black |
 white |  black |
 white |  black |
 white |  black |
 white |  black |
 white |  black |
 white |  black |
 white | black |
 white |  black |
 white |  |
 black |  white |
 black |  white |
 black |  white |
 black |  white |
 black |  white |
 black |  white |
 black |  white |
 black |  white |
 black |  white |
 black |  white |
 black |  white |
 white |  white |
 white |  white |
 black |  black |
 black |  black |
 black |  white |