C13223313311212111133133313331312111133133313223211111333132332211   >>    C1322331331121211113313331333131211113313331322321111133313233221   <<    C13223313311212111133133313331312111133133313223211111333132332213   >>      C13223313311212111133133313331312111133133313223211111333132332212   >>