C111113331333132322331333133313331331121111121133133313113113121121131   >>    C11111333133313232233133313331333133112111112113313331311311312112113   <<    C111113331333132322331333133313331331121111121133133313113113121121133   >>      C111113331333132322331333133313331331121111121133133313113113121121132   >>