B3311331313231311331322331333132333131333132233133313231333132223321   >>    B331133131323131133132233133313233313133313223313331323133313222332   <<    B3311331313231311331322331333132333131333132233133313231333132223323   >>      B3311331313231311331322331333132333131333132233133313231333132223322   >>