common1          common        2 input.f /^        COMMON \/common1\//
common2          common        3 input.f /^        COMMON \/common2\//
common3          common        3 input.f /^        COMMON \/common2\/ c2a (1:3), c2b \/common3\//
main             program       1 input.f /^        PROGRAM main$/
