B33113313132313113313223313331323231333132322331333231323111121   >>    B3311331313231311331322331333132323133313232233133323132311112   <<    B33113313132313113313223313331323231333132322331333231323111123   >>      B33113313132313113313223313331323231333132322331333231323111122   >>