B331133131323131133132233133313233313331322333121133133313331323132211321   >>    B33113313132313113313223313331323331333132233312113313331333132313221132   <<    B331133131323131133132233133313233313331322333121133133313331323132211323   >>      B331133131323131133132233133313233313331322333121133133313331323132211322   >>