B33113313132313113313223313331323133313223313231333133313232233133112131   >>    B3311331313231311331322331333132313331322331323133313331323223313311213   <<    B33113313132313113313223313331323133313223313231333133313232233133112133   >>      B33113313132313113313223313331323133313223313231333133313232233133112132   >>