C111113331333132322331333133313331331121111121133131133133331231   >>    C11111333133313232233133313331333133112111112113313113313333123   <<    C111113331333132322331333133313331331121111121133131133133331233   >>      C111113331333132322331333133313331331121111121133131133133331232   >>