B33113313132313113313223313331323133313223313231333133313232322123131   >>    B3311331313231311331322331333132313331322331323133313331323232212313   <<    B33113313132313113313223313331323133313223313231333133313232322123133   >>      B33113313132313113313223313331323133313223313231333133313232322123132   >>