B3311331313231311331322331333132313331322121133133313331333121111133111   >>    B331133131323131133132233133313231333132212113313331333133312111113311   <<    B3311331313231311331322331333132313331322121133133313331333121111133113   >>      B3311331313231311331322331333132313331322121133133313331333121111133112   >>