C31231211111133131211113313231333133313231333132313331333133313331333223331321   >>    C3123121111113313121111331323133313331323133313231333133313331333133322333132   <<    C31231211111133131211113313231333133313231333132313331333133313331333223331323   >>      C31231211111133131211113313231333133313231333132313331333133313331333223331322   >>