C132233133112121111331333133313331312121111133313331321123231321   >>    C13223313311212111133133313331333131212111113331333132112323132   <<    C132233133112121111331333133313331312121111133313331321123231323   >>      C132233133112121111331333133313331312121111133313331321123231322   >>