B33113313132313113313223313331323132333132332313331333132321133132322231111   >>    B3311331313231311331322331333132313233313233231333133313232113313232223111   <<    B33113313132313113313223313331323132333132332313331333132321133132322231113   >>      B33113313132313113313223313331323132333132332313331333132321133132322231112   >>