B3311331313231311331322331333132313331323131323223313232213331323321   >>    B331133131323131133132233133313231333132313132322331323221333132332   <<    B3311331313231311331322331333132313331323131323223313232213331323323   >>      B3311331313231311331322331333132313331323131323223313232213331323322   >>