B3311331313231311331322331333132313231333133313311221323132313232111321   >>    B331133131323131133132233133313231323133313331331122132313231323211132   <<    B3311331313231311331322331333132313231333133313311221323132313232111323   >>      B3311331313231311331322331333132313231333133313311221323132313232111322   >>