B3311331313231311331322331333132313331322331323133313311221333132322112122311   >>    B331133131323131133132233133313231333132233132313331331122133313232211212231   <<    B3311331313231311331322331333132313331322331323133313311221333132322112122313   >>      B3311331313231311331322331333132313331322331323133313311221333132322112122312   >>