C13223313311212111133133313331333133313232233133313331323221211111332233321   >>    C1322331331121211113313331333133313331323223313331333132322121111133223332   <<    C13223313311212111133133313331333133313232233133313331323221211111332233323   >>      C13223313311212111133133313331333133313232233133313331323221211111332233322   >>