B33113313132313113313223313331323133313223313231333133313233231311332211   >>    B3311331313231311331322331333132313331322331323133313331323323131133221   <<    B33113313132313113313223313331323133313223313231333133313233231311332213   >>      B33113313132313113313223313331323133313223313231333133313233231311332212   >>