C13223313311212111133133313331333133313232233133313331321121111331333123221   >>    C1322331331121211113313331333133313331323223313331333132112111133133312322   <<    C13223313311212111133133313331333133313232233133313331321121111331333123223   >>      C13223313311212111133133313331333133313232233133313331321121111331333123222   >>