$_ = [
    [
        [ [ {}, [] ], { 73, '01110111', 1000, '11100101' }, [ [] ] ],
        {
            1,
            '01111110',
            72,
            '00011010',
            64,
            '011001000011111001111010',
            8,
            '00000100',
            9,
'0101010100010000000111111010001010100000000010100011000001000100101010100',
            65,
            '011100001001010100000001'
        },
        [ [] ]
    ]
];
(%_) = %{ ${ ${ $_; }[0]; }[1]; };