Y
X       1       8       15      22      29      36      43      50      57
   point grey point red                                                      96
        0       1       2       3       4       5       6       7       8   102
        9               A       B       C       D       E       F       G   111
        H       I       J       K       L       M       N       O       P   120
        Q       R       S       T       U       V       W       X       Y   129
        Z                                                                   138