B33113313132313113313223313331323133313223313231333133313233112321   >>    B3311331313231311331322331333132313331322331323133313331323311232   <<    B33113313132313113313223313331323133313223313231333133313233112323   >>      B33113313132313113313223313331323133313223313231333133313233112322   >>