B3311331313231311331322331333132322331323232233133313231323131321   >>    B331133131323131133132233133313232233132323223313331323132313132   <<    B3311331313231311331322331333132322331323232233133313231323131323   >>      B3311331313231311331322331333132322331323232233133313231323131322   >>