B33113313132313113313223313331323133313223313231333133313112211211111333111   >>    B3311331313231311331322331333132313331322331323133313331311221121111133311   <<    B33113313132313113313223313331323133313223313231333133313112211211111333113   >>      B33113313132313113313223313331323133313223313231333133313112211211111333112   >>