B3311331313231311331322331333132233131133132233133313231323131121132321   >>    B331133131323131133132233133313223313113313223313331323132313112113232   <<    B3311331313231311331322331333132233131133132233133313231323131121132323   >>      B3311331313231311331322331333132233131133132233133313231323131121132322   >>