{"board": "stabrank", "instance": "C3Z-3", "family": "C3Z", "copies": 3, "n": 12, "r_max": 256, "cpu_seconds": 1800, "mem_mb": 8192, "mode": "ranked", "target": "unnormalized (C3Z|++++>)^{\u2297m}, copy j on qubits 4j..4j+3: amplitude prod_j (-1)^{x_{4j} x_{4j+1} x_{4j+2} x_{4j+3}}"}