B33113313132313113313223313331323133313223313231333133313331313221323131121   >>    B3311331313231311331322331333132313331322331323133313331333131322132313112   <<    B33113313132313113313223313331323133313223313231333133313331313221323131123   >>      B33113313132313113313223313331323133313223313231333133313331313221323131122   >>