B33113313132313113313223313331323133313223313231333133112111112121111121111321   >>    B3311331313231311331322331333132313331322331323133313311211111212111112111132   <<    B33113313132313113313223313331323133313223313231333133112111112121111121111323   >>      B33113313132313113313223313331323133313223313231333133112111112121111121111322   >>