Rasaratnasamuccaya 11.4

truṭiḥ syādaṇubhiḥ ṣaḍbhistairlikṣā ṣaḍbhirīritā /
tābhiḥ ṣaḍbhirbhaved yūkā ṣaḍyūkās tad rajaḥ smṛtam //