Analyse: bbbobbbrbbbbbbrrbbbboobrbbbbbooobbrrbbbbbrbbrbobbobbbbrbbbobbrbbrbbbbbrbbbobbbbbbobbbrbbgbbrbbrbobbbbrbbbbobbobrbbbbbbbbrrbbobbobggbrbbooobbrrbbgggbrboooobbbbbobobrbbgbbrbbrbobbobrbbbbobbobbbbrbbbbrbbrbobbobbbbrbobbobrbbrbbbbbrbboobbbbbbobbbrbbbbbbrrbbboobbrbbbbbooobbrrbbbTotal length 273
Factor pairs:
1 x 273, 3 x 91, 7 x 39, and 13 x 21
Try: 39 x 7TRY 7 x 39TRY 13 x 21TRY 21 x 13