Year4 |15-Oct-2010 to 16-Oct-2009 | 150 Days Year5 |15-Oct-2009 to 16-Oct-2008 | 110 Days--- This may acculumate to >180; I think "in any of the five, two, three or four consecutive 12 month periods" doesn't sound as year 1, 2, 3, 4 & 5 but in 5 yeras, or 4 years, or 3 years or 2 year...