King Mahāsudassana 1.13.6

1.13.6

Bhūtapubbaṃ, ānanda, rājā mahāsudassano tameva assaratanaṃ vīmaṃsamāno pubbaṇhasamayaṃ abhiruhitvā samuddapariyantaṃ pathaviṃ anuyāyitvā kusāvatiṃ rājadhāniṃ paccāgantvā pātarāsamakāsi.

Once it so happened that King Mahāsudassana, testing that same horse-treasure, mounted him in the morning and traversed the land surrounded by ocean before returning to the royal capital in time for breakfast.