question: given a bit index return unit index containing it . concode_field_sep long bits[] concode_elem_sep BitSieve smallSieve concode_elem_sep int length concode_field_sep void set concode_elem_sep boolean get concode_elem_sep BigInteger retrieve concode_elem_sep long bit concode_elem_sep int sieveSearch concode_elem_sep void sieveSingle
target: int function ( int arg0 ) { return arg0 >>> 6 ; }