thead Row 1;      
      background-color: cyan;     text-align: center;
tbody Rows 2,3,4; 
      background-color: #9999ff;  text-align: right;
tfoot Rows 5, 6;  
      background-color: #ff99ff;  text-align: center;
| R1C1 | R1C2 | R1C3 | R1-2C4 | R1C5 | 
| R2C1 | R2C3 | R2C3 | R2C5 | |
| R3C1 | R3C2 | R3C3-5 | ||
| R4C1-3 | R4-6C4 | R4C5 | ||
| R5C1 | R5C2 | R5-6C3 | R5C5 | |
| R6C1 | R6C2 | R6C5 | ||