B33113313132313113313223313331323133313223313231333133313131323132313221121131   >>    B3311331313231311331322331333132313331322331323133313331313132313231322112113   <<    B33113313132313113313223313331323133313223313231333133313131323132313221121133   >>      B33113313132313113313223313331323133313223313231333133313131323132313221121132   >>