Doubling (AABBCC)
Make it instantly recognisable
84888855 67
?4,875
?3,900
9064 33 66 99
?19,249
?15,399
7005 33 55 00
?14,375
?11,500
9259 33 66 99
?17,499
?13,999
700 500 9911
?19,249
?15,399
700 500 1199
?19,249
?15,399
7005 99 00 33
?14,375
?11,500
80 7700 3300
?16,874
?13,499
98 77 11 44 77
?16,874
?13,499
9669-922-922
?9,376
?7,501
7354-111122
?9,376
?7,501
909 119911 0
?9,376
?7,501
9933 0066 59
?6,875
?5,500
8877 8811 34
?4,375
?3,500
8001 1008 52
?3,500
?2,800
8001 1008 79
?5,000
?4,000
7557 7557 21
?10,626
?8,501
7557 7557 97
?12,501
?10,001
8877 0044 59
?4,625
?3,700
88 22 99 11 99
?30,625
?24,500
7777993561
?5,624
?4,499
7557777176
?13,501
?10,801
7777995148
?5,374
?4,299
7777995643
?5,374
?4,299
Doubling (AABBCC) number pattern