Take 1718568

Take 1721664

Take 31240

Drop 31240

Drop 1752420 (2^2*7*ECMed C122)
Drop 1817298 (2^2*3*7, ECMed C115)
Drop 1878828 (2^5*3*7, ECMed C115)

Take 1752420 1817298 1878828

Drop 1752420 1817298 1878828

Reserve 1975080 1706160 1714128 1715274 1716552 1732944 1756512 1778766 1784886 1784940 1796976

Drop 147978 (2^3*3, C142 has survived 4000@3e6)

Drop 1706418 (2^3*3, ECMed C117)
Drop 1752000 (2^2*5*7*ECMed C113)
Drop 1956636 (2^3*3, ECMed C112)

Drop 1542834 (C114)