if (this.worldObj.getBlock(x + 1, y + 2, z).equals(ModBlocks.tank) && this.worldObj.getBlock(x - 1, y + 2, z).equals(ModBlocks.tank))
{
if (this.worldObj.getBlock(x, y + 2, z + 1).equals(ModBlocks.tank) && this.worldObj.getBlock(x, y + 2, z - 1).equals(ModBlocks.tank))
{
if (this.worldObj.getBlock(x + 1, y + 2, z + 1).equals(ModBlocks.tank) && this.worldObj.getBlock(x - 1, y + 2, z - 1).equals(ModBlocks.tank))
{
if (this.worldObj.getBlock(x - 1, y + 2, z + 1).equals(ModBlocks.tank) && this.worldObj.getBlock(x + 1, y + 2, z - 1).equals(ModBlocks.tank))
{
}
}
}
}