[['model number', 'frequency', 'l1 cache', 'mult', 'voltage'], ['x5 - 133 adh', '133 mhz', '16 kib', '4', '3.45 v'], ['x5 - 133 ady', '133 mhz', '16 kib', '4', '3.45 v'], ['x5 - 133 adw', '133 mhz', '16 kib', '4', '3.45 v'], ['x5 - 133 adz', '133 mhz', '16 kib', '4', '3.45 v'], ['x5 - 133 bgc', '133 mhz', '16 kib', '4', '3.45 v'], ['x5 - 133 v16bgc', '133 mhz', '16 kib', '4', '3.45 v'], ['x5 - 133 w16bgc', '133 mhz', '16 kib', '4', '3.3 v'], ['x5 - 133 v16bhc', '133 mhz', '16 kib', '4', '3.45 v'], ['x5 - 133 w16bhc', '133 mhz', '16 kib', '4', '3.3 v'], ['x5 - 133 sfz', '133 mhz', '16 kib', '4', '3.3 v'], ['x5 - 150 adw', '150 mhz', '16 kib', '3', '3.45 v']]
the first Model Number has the same Voltage as the last Model Number on the list
the first [ENT] has the same [ENT] as the last [ENT] on the list