B3311331313231311331322331333132313331323131323223313232321132311   >>    B331133131323131133132233133313231333132313132322331323232113231   <<    B3311331313231311331322331333132313331323131323223313232321132313   >>      B3311331313231311331322331333132313331323131323223313232321132312   >>