B33113313132313113313223313331323133313223313231333133313221323123131   >>    B3311331313231311331322331333132313331322331323133313331322132312313   <<    B33113313132313113313223313331323133313223313231333133313221323123133   >>      B33113313132313113313223313331323133313223313231333133313221323123132   >>