55+11=66
66 + 12 = 78
78+13=91
Betur hefðu þessar sexur fallið annars staðar.
91+14=105
15+105 = 120
120+16=136.
17+136=153
153+18=171
19+171= 190
190 + 20 = 210
210 + 21 = 231
22 + 231 = 253
253+23=276
24+276=300
300+25=325
26+325=351
351+27=378
378 + 28 = 406