B2311232333132313231322331333132333132322331323132313331323131323223311   >>    B231123233313231323132233133313233313232233132313231333132313132322331   <<    B2311232333132313231322331333132333132322331323132313331323131323223313   >>      B2311232333132313231322331333132333132322331323132313331323131323223312   >>