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Let's try for one pass through the numbers.

function test() {
for (var j=0;j<5;j++) {
for (var k=0;k<g_numbers[j];k++) fd();
rt();
}
}

All being well you should end up with the first of the pictures below.

Study all the pictures and you should see that we need to repeat the above 4 times to get the complete spirolateral.

function test() {
for (var i=0;i<4;i++) {
for (var j=0;j<5;j++) {
for (var k=0;k<g_numbers[j];k++) fd();
rt();
}
}
}
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