C31231211113313121211113313331323133313331333133312111112111133132223331321   >>    C3123121111331312121111331333132313331333133313331211111211113313222333132   <<    C31231211113313121211113313331323133313331333133312111112111133132223331323   >>      C31231211113313121211113313331323133313331333133312111112111133132223331322   >>