B33113313132313113313223313331323133313223313231333133112111133133322112131   >>    B3311331313231311331322331333132313331322331323133313311211113313332211213   <<    B33113313132313113313223313331323133313223313231333133112111133133322112133   >>      B33113313132313113313223313331323133313223313231333133112111133133322112132   >>