B33113313132313113313223313331323132322331323131333132313231323221323123111   >>    B3311331313231311331322331333132313232233132313133313231323132322132312311   <<    B33113313132313113313223313331323132322331323131333132313231323221323123113   >>      B33113313132313113313223313331323132322331323131333132313231323221323123112   >>