C1111233133313231133133313231333133313113313113313331331122122331   >>    C111123313331323113313331323133313331311331311331333133112212233   <<    C1111233133313231133133313231333133313113313113313331331122122333   >>      C1111233133313231133133313231333133313113313113313331331122122332   >>