B33113313132313113313223313331323131323133313232233121331123221   >>    B3311331313231311331322331333132313132313331323223312133112322   <<    B33113313132313113313223313331323131323133313232233121331123223   >>      B33113313132313113313223313331323131323133313232233121331123222   >>