B33113313132313113313223313331323133313223313231333133313133112123321   >>    B3311331313231311331322331333132313331322331323133313331313311212332   <<    B33113313132313113313223313331323133313223313231333133313133112123323   >>      B33113313132313113313223313331323133313223313231333133313133112123322   >>