C232212111133133312331333133313121111331333133313231333133313331333132313212121   >>    C23221211113313331233133313331312111133133313331323133313331333133313231321212   <<    C232212111133133312331333133313121111331333133313231333133313331333132313212123   >>      C232212111133133312331333133313121111331333133313231333133313331333132313212122   >>