C132233133112121111331333133313331333132332121211113313233231311321   >>    C13223313311212111133133313331333133313233212121111331323323131132   <<    C132233133112121111331333133313331333132332121211113313233231311323   >>      C132233133112121111331333133313331333132332121211113313233231311322   >>