B33113313132313113313223313331323132322332233132313331323131123311   >>    B3311331313231311331322331333132313232233223313231333132313112331   <<    B33113313132313113313223313331323132322332233132313331323131123313   >>      B33113313132313113313223313331323132322332233132313331323131123312   >>