B331133131323131133132233133313113313233313233313331322331323221312331   >>    B33113313132313113313223313331311331323331323331333132233132322131233   <<    B331133131323131133132233133313113313233313233313331322331323221312333   >>      B331133131323131133132233133313113313233313233313331322331323221312332   >>