C132233133112121111331333133313331333132332313231323133313122331   >>    C13223313311212111133133313331333133313233231323132313331312233   <<    C132233133112121111331333133313331333132332313231323133313122333   >>      C132233133112121111331333133313331333132332313231323133313122332   >>