##Pyth, 7 bytes <x%R2Q1 [Try it here!](http://pyth.herokuapp.com/?code=%3Cx%25R2Q1&input=[42%2C+14%2C+42%2C+2324]&test_suite=1&test_suite_input=[14%2C+42%2C+2324%2C+97090%2C+4080622%2C+171480372]%0A[42%2C+14%2C+42%2C+2324]%0A[7%2C14%2C42]%0A[]%0A[171480372%2C+13%2C+14%2C+42]%0A[42%2C+14%2C+42%2C+43%2C+41%2C+4080622%2C+171480372]&debug=0) What I attempted to do in Pyke but index is broken in that atm