B33113313132313113313223313331323133313223313231333133112111133211331323222311   >>    B3311331313231311331322331333132313331322331323133313311211113321133132322231   <<    B33113313132313113313223313331323133313223313231333133112111133211331323222313   >>      B33113313132313113313223313331323133313223313231333133112111133211331323222312   >>