C111113331333132322331333133313331331121111121133133313121111121111332311321   >>    C11111333133313232233133313331333133112111112113313331312111112111133231132   <<    C111113331333132322331333133313331331121111121133133313121111121111332311323   >>      C111113331333132322331333133313331331121111121133133313121111121111332311322   >>