C31231211111133131211113313231333133313231333132313331333133313221132321   >>    C3123121111113313121111331323133313331323133313231333133313331322113232   <<    C31231211111133131211113313231333133313231333132313331333133313221132323   >>      C31231211111133131211113313231333133313231333132313331333133313221132322   >>