C312312111133131212111133133313231333133313331333131323133313331323213321   >>    C31231211113313121211113313331323133313331333133313132313331333132321332   <<    C312312111133131212111133133313231333133313331333131323133313331323213323   >>      C312312111133131212111133133313231333133313331333131323133313331323213322   >>