B3311331313231311331322331333132322331322112331323132313231323132313232222321   >>    B331133131323131133132233133313232233132211233132313231323132313231323222232   <<    B3311331313231311331322331333132322331322112331323132313231323132313232222323   >>      B3311331313231311331322331333132322331322112331323132313231323132313232222322   >>