B33113313132313113313223313331323133313221211331333133313331311321111133112231   >>    B3311331313231311331322331333132313331322121133133313331333131132111113311223   <<    B33113313132313113313223313331323133313221211331333133313331311321111133112233   >>      B33113313132313113313223313331323133313221211331333133313331311321111133112232   >>