B33113313132313113313223313331323133313221211331333133313331331121111332322131   >>    B3311331313231311331322331333132313331322121133133313331333133112111133232213   <<    B33113313132313113313223313331323133313221211331333133313331331121111332322133   >>      B33113313132313113313223313331323133313221211331333133313331331121111332322132   >>