legend4: "d) Emerald Block"
layer1: "aaa<br>ada<br>aca"
layer2: "aba<br>bob<br>aba<br>soo"
layer3: "aba<br>bob<br>aba"
layer4: "aba<br>bob<br>aba"
layer5: "aba<br>bob<br>aba"
layer6: "aba<br>bob<br>aba"
layer7: "aba<br>bob<br>aba"
layer8: "aaa<br>aoa<br>aaa"
layer9: "ooo<br>oao<br>ooo"