B33113313132313113313223313331323133313223313231333133313221211111122233231   >>    B3311331313231311331322331333132313331322331323133313331322121111112223323   <<    B33113313132313113313223313331323133313223313231333133313221211111122233233   >>      B33113313132313113313223313331323133313223313231333133313221211111122233232   >>