C132233133112121111331333133313231333133313231323223313232213331313121   >>    C13223313311212111133133313331323133313331323132322331323221333131312   <<    C132233133112121111331333133313231333133313231323223313232213331313123   >>      C132233133112121111331333133313231333133313231323223313232213331313122   >>