B33113313132313113313223313331323133313223313231333133313231212112131   >>    B3311331313231311331322331333132313331322331323133313331323121211213   <<    B33113313132313113313223313331323133313223313231333133313231212112133   >>      B33113313132313113313223313331323133313223313231333133313231212112132   >>