nwt4  <  (6622,1964) (6624,1964) (6626,1962) (6628,1962) (6629,1961) (6632,1961) (6633,1960) (6635,1960) (6636,1959) (6637,1959) (6638,1958) (6639,1958) (6642,1955) (6649,1955) (6650,1956) (6650,1965) (6656,1971) (6657,1971) (6658,1972) (6659,1972) (6660,1973) (6661,1973) (6662,1974) (6663,1974) (6664,1975) (6665,1975) (6666,1976) (6667,1976) (6671,1980) (6672,1980) (6677,1985) (6678,1985) (6681,1988) (6682,1988) (6690,1996) (6690,2004) (6688,2006) (6687,2006) (6686,2007) (6683,2007) (6682,2008) (6681,2008) (6679,2010) (6676,2010) (6675,2011) (6674,2011) (6673,2012) (6672,2012) (6671,2013) (6670,2013) (6667,2016) (6666,2016) (6664,2018) (6663,2018) (6661,2020) (6660,2020) (6657,2023) (6656,2023) (6655,2024) (6654,2024) (6653,2025) (6652,2025) (6651,2026) (6649,2026) (6647,2028) (6644,2028) (6643,2029) (6642,2029) (6641,2030) (6640,2030) (6639,2031) (6637,2031) (6636,2032) (6635,2032) (6632,2035) (6631,2035) (6629,2037) (6628,2037) (6627,2038) (6626,2038) (6621,2043) (6621,2057) (6620,2058) (6611,2058) (6610,2059) (6609,2059) (6606,2062) (6606,2064) (6605,2065) (6605,2066) (6604,2067) (6604,2068) (6602,2070) (6601,2070) (6597,2074) (6596,2074) (6595,2075) (6594,2075) (6590,2079) (6589,2079) (6583,2085) (6574,2085) (6572,2083) (6572,2082) (6571,2081) (6571,2079) (6570,2078) (6570,2076) (6569,2075) (6569,2073) (6568,2072) (6568,2071) (6567,2070) (6567,2068) (6566,2067) (6566,2065) (6565,2064) (6565,2063) (6564,2062) (6564,2061) (6562,2059) (6562,2058) (6561,2057) (6561,2056) (6560,2055) (6560,2054) (6559,2053) (6559,2052) (6558,2051) (6558,2048) (6557,2047) (6557,2046) (6556,2045) (6556,2043) (6555,2042) (6555,2040) (6554,2039) (6554,2038) (6553,2037) (6553,2034) (6552,2033) (6552,2019) (6551,2018) (6551,2011) (6552,2010) (6552,2005) (6553,2004) (6553,2000) (6554,1999) (6554,1998) (6555,1997) (6555,1996) (6556,1995) (6556,1994) (6559,1991) (6559,1990) (6566,1983) (6566,1980) (6567,1979) (6573,1979) (6574,1978) (6576,1978) (6577,1977) (6578,1977) (6579,1976) (6581,1976) (6582,1975) (6584,1975) (6585,1974) (6587,1974) (6588,1973) (6592,1973) (6593,1972) (6594,1972) (6595,1971) (6598,1971) (6599,1970) (6602,1970) (6603,1969) (6605,1969) (6606,1968) (6608,1968) (6609,1967) (6611,1967) (6612,1966) (6615,1966) (6616,1965) (6620,1965) (6621,1964) > 
nwt3  <  (6741,1937) (6745,1937) (6746,1936) (6748,1936) (6749,1935) (6752,1935) (6753,1934) (6755,1934) (6756,1933) (6761,1933) (6762,1932) (6785,1932) (6786,1931) (6788,1931) (6789,1930) (6790,1930) (6791,1929) (6795,1929) (6796,1930) (6796,1976) (6795,1977) (6779,1977) (6778,1978) (6771,1978) (6771,1984) (6770,1985) (6729,1985) (6728,1986) (6725,1986) (6724,1987) (6723,1987) (6722,1988) (6720,1988) (6719,1989) (6718,1989) (6717,1990) (6716,1990) (6715,1991) (6713,1991) (6712,1992) (6712,1994) (6708,1998) (6707,1998) (6706,1999) (6705,1999) (6704,2000) (6703,2000) (6702,2001) (6701,2001) (6700,2002) (6699,2002) (6698,2003) (6696,2003) (6695,2004) (6691,2004) (6690,2003) (6690,1995) (6683,1988) (6682,1988) (6679,1985) (6678,1985) (6673,1980) (6672,1980) (6668,1976) (6667,1976) (6666,1975) (6665,1975) (6664,1974) (6663,1974) (6662,1973) (6661,1973) (6660,1972) (6659,1972) (6658,1971) (6657,1971) (6650,1964) (6650,1956) (6651,1955) (6653,1955) (6654,1954) (6659,1954) (6660,1953) (6661,1953) (6662,1952) (6664,1952) (6665,1951) (6667,1951) (6668,1950) (6669,1950) (6670,1949) (6672,1949) (6674,1947) (6676,1947) (6677,1946) (6679,1946) (6680,1945) (6681,1945) (6682,1944) (6684,1944) (6685,1943) (6687,1943) (6688,1942) (6692,1942) (6693,1941) (6697,1941) (6698,1940) (6705,1940) (6706,1939) (6733,1939) (6734,1938) (6737,1938) (6738,1937) > 
nwt2  <  (6759,1859) (6773,1859) (6774,1860) (6783,1860) (6784,1861) (6785,1861) (6788,1864) (6788,1866) (6789,1867) (6789,1869) (6790,1870) (6790,1872) (6791,1873) (6791,1874) (6792,1875) (6792,1876) (6809,1876) (6810,1877) (6810,1900) (6812,1902) (6812,1903) (6813,1904) (6813,1906) (6815,1908) (6815,1909) (6816,1910) (6816,1911) (6819,1914) (6819,1924) (6818,1925) (6813,1925) (6812,1926) (6806,1926) (6805,1927) (6802,1927) (6801,1928) (6796,1928) (6795,1929) (6790,1929) (6789,1930) (6788,1930) (6787,1931) (6785,1931) (6784,1932) (6761,1932) (6760,1933) (6755,1933) (6754,1934) (6752,1934) (6751,1935) (6748,1935) (6747,1936) (6745,1936) (6744,1937) (6737,1937) (6736,1938) (6733,1938) (6732,1939) (6716,1939) (6715,1938) (6715,1917) (6716,1916) (6716,1904) (6717,1903) (6717,1897) (6718,1896) (6718,1891) (6719,1890) (6719,1859) (6720,1858) (6747,1858) (6748,1859) > 
nwt1  <  (6665,1869) (6665,1869) (6666,1868) (6672,1868) (6673,1867) (6676,1867) (6677,1866) (6678,1866) (6679,1865) (6680,1865) (6681,1864) (6683,1864) (6684,1863) (6685,1863) (6686,1862) (6689,1862) (6690,1861) (6692,1861) (6693,1860) (6695,1860) (6696,1859) (6697,1859) (6698,1858) (6718,1858) (6719,1859) (6719,1889) (6718,1890) (6718,1895) (6717,1896) (6717,1902) (6716,1903) (6716,1915) (6715,1916) (6715,1938) (6714,1939) (6705,1939) (6704,1940) (6697,1940) (6696,1941) (6692,1941) (6691,1942) (6687,1942) (6686,1943) (6684,1943) (6683,1944) (6681,1944) (6680,1945) (6679,1945) (6678,1946) (6676,1946) (6675,1947) (6673,1947) (6671,1949) (6669,1949) (6668,1950) (6667,1950) (6666,1951) (6664,1951) (6663,1952) (6661,1952) (6660,1953) (6659,1953) (6658,1954) (6653,1954) (6652,1955) (6641,1955) (6638,1958) (6637,1958) (6636,1959) (6635,1959) (6634,1960) (6632,1960) (6631,1961) (6628,1961) (6627,1962) (6625,1962) (6623,1964) (6620,1964) (6619,1965) (6616,1965) (6615,1964) (6615,1940) (6617,1938) (6617,1937) (6618,1936) (6618,1933) (6619,1932) (6619,1930) (6620,1929) (6620,1928) (6621,1927) (6621,1926) (6622,1925) (6622,1924) (6623,1923) (6623,1921) (6624,1920) (6624,1919) (6625,1918) (6625,1915) (6626,1914) (6626,1913) (6627,1912) (6627,1911) (6628,1910) (6628,1909) (6629,1908) (6629,1907) (6631,1905) (6631,1904) (6632,1903) (6632,1902) (6633,1901) (6633,1899) (6634,1898) (6634,1889) (6637,1886) (6637,1885) (6650,1872) (6651,1872) (6652,1871) (6654,1871) (6655,1870) (6658,1870) (6659,1869) > 
nwt0  <  (6719,1805) (6754,1805) (6755,1806) (6756,1806) (6761,1811) (6770,1811) (6771,1812) (6771,1826) (6772,1827) (6772,1828) (6774,1830) (6774,1831) (6778,1835) (6778,1836) (6779,1837) (6779,1838) (6780,1839) (6780,1840) (6781,1841) (6781,1844) (6782,1845) (6782,1859) (6781,1860) (6775,1860) (6774,1859) (6749,1859) (6748,1858) (6697,1858) (6696,1859) (6695,1859) (6694,1860) (6692,1860) (6691,1861) (6689,1861) (6688,1862) (6685,1862) (6684,1863) (6683,1863) (6682,1864) (6680,1864) (6679,1865) (6678,1865) (6677,1866) (6676,1866) (6675,1867) (6672,1867) (6671,1868) (6665,1868) (6664,1869) (6659,1869) (6658,1868) (6658,1844) (6659,1843) (6659,1842) (6660,1841) (6660,1839) (6661,1838) (6661,1837) (6662,1836) (6662,1835) (6664,1833) (6664,1832) (6669,1827) (6669,1826) (6670,1825) (6670,1823) (6671,1822) (6671,1821) (6672,1820) (6672,1819) (6674,1817) (6676,1817) (6677,1816) (6679,1816) (6680,1815) (6680,1806) (6681,1805) >