C232212111133133312331333133313121111331333133313331331123312111   >>    C23221211113313331233133313331312111133133313331333133112331211   <<    C232212111133133312331333133313121111331333133313331331123312113   >>      C232212111133133312331333133313121111331333133313331331123312112   >>