B33113313132313113313223313331323133313221211331333133313331311133313332221   >>    B3311331313231311331322331333132313331322121133133313331333131113331333222   <<    B33113313132313113313223313331323133313221211331333133313331311133313332223   >>      B33113313132313113313223313331323133313221211331333133313331311133313332222   >>