#include <iostream>
using namespace std;
int main() {
int j, r = 2, p = 1; int v[8];
for (j = 0; j < 8; j++) {
v[j - p] = 3 * j - r;
p = -p; r = r - p;
}
for (j = 0; j < 8; j++) cout << v[j] << " ";
}
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