B33113313132313113313223313331323133313223313231333133313232232332313121   >>    B3311331313231311331322331333132313331322331323133313331323223233231312   <<    B33113313132313113313223313331323133313223313231333133313232232332313123   >>      B33113313132313113313223313331323133313223313231333133313232232332313122   >>