p = 11	q =  97

x that is a gap
[1938, 1938]		Length: 1
[1948, 1949]		Length: 2
[1958, 1960]		Length: 3
[1968, 1971]		Length: 4
[1978, 1982]		Length: 5
[1988, 1993]		Length: 6
[1998, 2004]		Length: 7
[2008, 2015]		Length: 8
[2018, 2026]		Length: 9