C111123313121111121111331333133313331331121111133313231333132322131   >>    C11112331312111112111133133313331333133112111113331323133313232213   <<    C111123313121111121111331333133313331331121111133313231333132322133   >>      C111123313121111121111331333133313331331121111133313231333132322132   >>