B33113313132313113313223313331311331333132332132313331333131133132322132211   >>    B3311331313231311331322331333131133133313233213231333133313113313232213221   <<    B33113313132313113313223313331311331333132332132313331333131133132322132213   >>      B33113313132313113313223313331311331333132332132313331333131133132322132212   >>