const int storage::block_chain[32] = { 
     0,  0,  1,  2,  3,  4,  5,  6,  7,  8, 
     9,  9, 10, 10, 10, 10, 11, 11, 11, 11, 
    11, 12, 12, 12, 12, 12, 12, 12, 12, 12, 
    12, 12
};
const int storage::block_size[32] = { 
     16,  16,  24,  32,  40,  48,  56,  64,  72,  80,  
     96,  96, 128, 128, 128, 128, 168, 168, 168, 168, 
    168, 256, 256, 256, 256, 256, 256, 256, 256, 256, 
    256, 256
};

Example 1: Description of the data layout in Figure 1.