C111123313121111121111331333133313113313232233231333132313113313232223321   >>    C11112331312111112111133133313331311331323223323133313231311331323222332   <<    C111123313121111121111331333133313113313232233231333132313113313232223323   >>      C111123313121111121111331333133313113313232233231333132313113313232223322   >>