C132233133112121111331333133313331323133313233121111331333232213231   >>    C13223313311212111133133313331333132313331323312111133133323221323   <<    C132233133112121111331333133313331323133313233121111331333232213233   >>      C132233133112121111331333133313331323133313233121111331333232213232   >>