B33113313132313113313223313331323231333132322331333231323222311   >>    B3311331313231311331322331333132323133313232233133323132322231   <<    B33113313132313113313223313331323231333132322331333231323222313   >>      B33113313132313113313223313331323231333132322331333231323222312   >>