C13223313311212111133133313331333133313231323133211331323321111331312312211   >>    C1322331331121211113313331333133313331323132313321133132332111133131231221   <<    C13223313311212111133133313331333133313231323133211331323321111331312312213   >>      C13223313311212111133133313331333133313231323133211331323321111331312312212   >>