B3311331313231311331322331333132313331322121133133313331333121111133323223321   >>    B331133131323131133132233133313231333132212113313331333133312111113332322332   <<    B3311331313231311331322331333132313331322121133133313331333121111133323223323   >>      B3311331313231311331322331333132313331322121133133313331333121111133323223322   >>