B33113313132313113313223313331323133313221211331333133313331322133112323221   >>    B3311331313231311331322331333132313331322121133133313331333132213311232322   <<    B33113313132313113313223313331323133313221211331333133313331322133112323223   >>      B33113313132313113313223313331323133313221211331333133313331322133112323222   >>