WHILETRUEB1keytrueonboard_matrix.HEARTB1key{}aW1wb3J0IG1peGdvX2NlCmZyb20gbWl4Z29fY2UgaW1wb3J0IG9uYm9hcmRfbWF0cml4CgoKd2hpbGUgVHJ1ZToKICAgIGlmIG1peGdvX2NlLkIxa2V5Lndhc19wcmVzc2VkKCk6CiAgICAgICAgd2hpbGUgVHJ1ZToKICAgICAgICAgICAgb25ib2FyZF9tYXRyaXguc2hvd3Mob25ib2FyZF9tYXRyaXguSEVBUlQpCiAgICAgICAgICAgIGlmIChtaXhnb19jZS5CMWtleS53YXNfcHJlc3NlZCgpKToKICAgICAgICAgICAgICAgIGJyZWFrCiAgICAgICAgb25ib2FyZF9tYXRyaXguZmlsbCgwKQogICAgICAgIG9uYm9hcmRfbWF0cml4LnNob3coKQo=