+-------+-------+---------+
| Style | Range |   Int   |
+-------+-------+---------+
| A     | 0-1   | .       |
| A     | 1-5   | .       |
| A     | 5-11  | .       |
| A     | 11-12 | .       |
| A     | 12-24 | -999999 |
| A     | 24-36 | 0       |
| A     | 36-48 | 0       |
| A     | 48-60 | -999999 |
| A     | 60+   | 0       |
+-------+-------+---------+

if(int = -999999) and range ='12-24'
   then get the first non null value in int from
   11-12, 5-11, 1-5, 0-1 24-36, 36-48, 48-60, 60+ in that order

if(int = -999999) and range ='0-1' or '1-5' or '5-11' or '11-12'
   then get the first non null value in int from
   12-24, 11-12, 5-11, 1-5, 0-1 24-36, 36-48, 48-60, 60+ in that order without looking up self

if(int = -999999) and range ='24-36'
   then get the first non null value in int from
   36-48, 48-60, 60+, 12-24, 11-12, 5-11, 1-5, 0-1 in that order

if(int = -999999) and range ='36-48' or '48-60' or '60+'
   then get the first non null value in int from
   24-36, 36-48, 48-60, 60+, 12-24, 11-12, 5-11, 1-5, 0-1 in that order without looking up self

+-------+-------+---------+
| Style | Range |   Int   |
+-------+-------+---------+
| A     | 0-1   | .       |
| A     | 1-5   | .       |
| A     | 5-11  | .       |
| A     | 11-12 | .       |
| A     | 12-24 | 0       |
| A     | 24-36 | 0       |
| A     | 36-48 | 0       |
| A     | 48-60 | 0       |
| A     | 60+   | 0       |
+-------+-------+---------+