C3123121111331312121111331333133313231333132331211113313331322131233133312331   >>    C312312111133131212111133133313331323133313233121111331333132213123313331233   <<    C3123121111331312121111331333133313231333132331211113313331322131233133312333   >>      C3123121111331312121111331333133313231333132331211113313331322131233133312332   >>