B33113313132313113313223313331323132313233313331311233133112111113232233221   >>    B3311331313231311331322331333132313231323331333131123313311211111323223322   <<    B33113313132313113313223313331323132313233313331311233133112111113232233223   >>      B33113313132313113313223313331323132313233313331311233133112111113232233222   >>