C111113331333132322331333133313331333133323223313311211113313121133212321   >>    C11111333133313232233133313331333133313332322331331121111331312113321232   <<    C111113331333132322331333133313331333133323223313311211113313121133212323   >>      C111113331333132322331333133313331333133323223313311211113313121133212322   >>