B33113313132313113313223313331323133313223313231333133313311212133313111321   >>    B3311331313231311331322331333132313331322331323133313331331121213331311132   <<    B33113313132313113313223313331323133313223313231333133313311212133313111323   >>      B33113313132313113313223313331323133313223313231333133313311212133313111322   >>