C312312111111331312111133133313231333133313112331333132322333122331   >>    C31231211111133131211113313331323133313331311233133313232233312233   <<    C312312111111331312111133133313231333133313112331333132322333122333   >>      C312312111111331312111133133313231333133313112331333132322333122332   >>