B33113313132313113313223313331323133313223313231333133313311211111113233121   >>    B3311331313231311331322331333132313331322331323133313331331121111111323312   <<    B33113313132313113313223313331323133313223313231333133313311211111113233123   >>      B33113313132313113313223313331323133313223313231333133313311211111113233122   >>