This is a loop. Find the cause and quash. (n=256)
start at {2 1022}; out of bounds at {-1 1023}
start at {1 1022}; out of bounds at {-1 1023}
start at {1 1022}; out of bounds at {-1 1023}
start at {1 1022}; out of bounds at {-1 1023}
start at {1 1022}; out of bounds at {-1 1023}
Here is another loop (n=512):
start at {0 4}; out of bounds at {-1 0}
start at {0 4}; out of bounds at {-1 0}
start at {0 4}; out of bounds at {-1 0}
start at {0 4}; out of bounds at {-1 0}