C111113331333132322331333133313331331121111121133131211111321111   >>    C11111333133313232233133313331333133112111112113313121111132111   <<    C111113331333132322331333133313331331121111121133131211111321113   >>      C111113331333132322331333133313331331121111121133131211111321112   >>