B331133131323131133132233133313231333132333131211113313232233132322223331   >>    B33113313132313113313223313331323133313233313121111331323223313232222333   <<    B331133131323131133132233133313231333132333131211113313232233132322223333   >>      B331133131323131133132233133313231333132333131211113313232233132322223332   >>