(i, j) co-ordinates	N = 2ⁱ3^j	k = 0	k = 1	k = 2	k = 3
(i, j) co-ordinates	N = 2ⁱ3^j	N × 5^k	N × 5^k	N × 5^k	N × 5^k
(0, 0)	1	1	5	25	125
(1, 0)	2	2	10	50	250
(0, 1)	3	3	15	75	375
(2, 0)	4	4	20	100	500
(1, 1)	6	6	30	150	750
(3, 0)	8	8	40	200	1000
(0, 2)	9	9	45	225	1125
(2, 1)	12	12	60	300	1500
(1, 2)	18	18	90	450	2250
(3, 1)	24	24	120	600	3000
(0, 3)	27	27	135	675	3375
(2, 2)	36	36	180	900	4500
(1, 3)	54	54	270	1350	6750
(3, 2)	72	72	360	1800	9000
(2, 3)	108	108	540	2700	13,500
(3, 3)	216	216	1080	5400	27,000