B3311331313231311331322331333132233131133132233133313231333131313321   >>    B331133131323131133132233133313223313113313223313331323133313131332   <<    B3311331313231311331322331333132233131133132233133313231333131313323   >>      B3311331313231311331322331333132233131133132233133313231333131313322   >>