C111123313121111121111331333133313331323221211113313223132311321   >>    C11112331312111112111133133313331333132322121111331322313231132   <<    C111123313121111121111331333133313331323221211113313223132311323   >>      C111123313121111121111331333133313331323221211113313223132311322   >>